According to the versions of the openssh packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

    A signal handler race condition was found in OpenSSH's server (sshd), where a client does not authenticate     within LoginGraceTime seconds (120 by default, 600 in old OpenSSH versions), then sshd's SIGALRM handler     is called asynchronously. However, this signal handler calls various functions that are not async-signal-     safe, for example, syslog().(CVE-2024-6387)

Tenable has extracted the preceding description block directly from the EulerOS Virtualization openssh security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the 'Rocky Linux 9 - CVE-2024-6387: regreSSHion' news article.

    * sshd: Signal handler race condition that can lead to a potential remote code execution.
    (CVE-2024-6387)

Note this plugin only checks the base OpenSSH package. Nessus has not tested for this issue but has instead relied only on the application's self-reported version number. There are mitigations available which this plugin is unable to test for and there may also be other packages that need to be updated, but are not explicitly specified in the news article.

The remote NewStart CGSL host, running version CORE 5.05 / MAIN 5.05, has openssh packages installed that are affected by a vulnerability:

  - openssh: A security regression (CVE-2006-5051) was discovered in OpenSSH's server (sshd). There is a race     condition which can lead sshd to handle some signals in an unsafe manner. An unauthenticated, remote     attacker may be able to trigger it by failing to authenticate within a set time period. (CVE-2024-6387)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote host is running a version of macOS / Mac OS X that is 13.x prior to 13.6.8. It is, therefore, affected by multiple vulnerabilities:

  - A segment fault (SEGV) flaw was found in libtiff that could be triggered by passing a crafted tiff file to     the TIFFReadRGBATileExt() API. This flaw allows a remote attacker to cause a heap-buffer overflow, leading     to a denial of service. (CVE-2023-52356)

  - An out-of-memory flaw was found in libtiff. Passing a crafted tiff file to TIFFOpen() API may allow a     remote attacker to cause a denial of service via a craft input with size smaller than 379 KB.
    (CVE-2023-6277)

  - When a protocol selection parameter option disables all protocols without adding any then the default set     of protocols would remain in the allowed set due to an error in the logic for removing protocols. The     below command would perform a request to curl.se with a plaintext protocol which has been explicitly     disabled. curl --proto -all,-http http://curl.se The flaw is only present if the set of selected protocols     disables the entire set of available protocols, in itself a command with no practical use and therefore     unlikely to be encountered in real situations. The curl security team has thus assessed this to be low     severity bug. (CVE-2024-2004)

  - A logic issue was addressed with improved state management. This issue is fixed in macOS Monterey 12.7.6,     macOS Sonoma 14.4, macOS Ventura 13.6.8. An attacker may be able to read information belonging to another     user. (CVE-2024-23261)

  - libcurl skips the certificate verification for a QUIC connection under certain conditions, when built to     use wolfSSL. If told to use an unknown/bad cipher or curve, the error path accidentally skips the     verification and returns OK, thus ignoring any certificate problems. (CVE-2024-2379)

  - When an application tells libcurl it wants to allow HTTP/2 server push, and the amount of received headers     for the push surpasses the maximum allowed limit (1000), libcurl aborts the server push. When aborting,     libcurl inadvertently does not free all the previously allocated headers and instead leaks the memory.
    Further, this error condition fails silently and is therefore not easily detected by an application.
    (CVE-2024-2398)

  - libcurl did not check the server certificate of TLS connections done to a host specified as an IP address,     when built to use mbedTLS. libcurl would wrongly avoid using the set hostname function when the specified     hostname was given as an IP address, therefore completely skipping the certificate check. This affects all     uses of TLS protocols (HTTPS, FTPS, IMAPS, POPS3, SMTPS, etc). (CVE-2024-2466)

  - The issue was addressed with improved memory handling. This issue is fixed in macOS Ventura 13.6.8, macOS     Sonoma 14.5, macOS Monterey 12.7.6, watchOS 10.5, visionOS 1.3, tvOS 17.5, iOS 17.5 and iPadOS 17.5. An     app may be able to execute arbitrary code with kernel privileges. (CVE-2024-27826)

  - An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in iOS     16.7.9 and iPadOS 16.7.9, macOS Ventura 13.6.8, macOS Monterey 12.7.6, iOS 17.6 and iPadOS 17.6, macOS     Sonoma 14.6. Processing a maliciously crafted video file may lead to unexpected app termination.
    (CVE-2024-27873)

  - The issue was addressed with improved memory handling. This issue is fixed in macOS Sonoma 14.6, macOS     Monterey 12.7.6, macOS Ventura 13.6.8. Processing a maliciously crafted file may lead to a denial-of-     service or potentially disclose memory contents. (CVE-2024-27877)

  - A privacy issue was addressed with improved private data redaction for log entries. This issue is fixed in     macOS Sonoma 14.6, macOS Monterey 12.7.6, macOS Ventura 13.6.8. An app may be able to access information     about a user's contacts. (CVE-2024-27881)

  - A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Sonoma 14.6,     macOS Monterey 12.7.6, macOS Ventura 13.6.8. An app may be able to modify protected parts of the file     system. (CVE-2024-27882, CVE-2024-27883)

  - A downgrade issue was addressed with additional code-signing restrictions. This issue is fixed in macOS     Ventura 13.6.8, macOS Monterey 12.7.6, iOS 17.6 and iPadOS 17.6, watchOS 10.6, tvOS 17.6, macOS Sonoma     14.6. An app may be able to bypass Privacy preferences. (CVE-2024-40774)

  - A downgrade issue was addressed with additional code-signing restrictions. This issue is fixed in macOS     Sonoma 14.6, macOS Monterey 12.7.6, macOS Ventura 13.6.8. An app may be able to leak sensitive user     information. (CVE-2024-40775)

  - The issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14.6, macOS Monterey     12.7.6, macOS Ventura 13.6.8. A local attacker may be able to elevate their privileges. (CVE-2024-40781,     CVE-2024-40802)

  - The issue was addressed with improved restriction of data container access. This issue is fixed in macOS     Sonoma 14.6, macOS Monterey 12.7.6, macOS Ventura 13.6.8. A malicious application may be able to bypass     Privacy preferences. (CVE-2024-40783)

  - An integer overflow was addressed with improved input validation. This issue is fixed in iOS 16.7.9 and     iPadOS 16.7.9, macOS Ventura 13.6.8, iOS 17.6 and iPadOS 17.6, watchOS 10.6, tvOS 17.6, visionOS 1.3,     macOS Sonoma 14.6. Processing a maliciously crafted file may lead to unexpected app termination.
    (CVE-2024-40784)

  - This issue was addressed through improved state management. This issue is fixed in iOS 17.6 and iPadOS     17.6, iOS 16.7.9 and iPadOS 16.7.9, macOS Ventura 13.6.8. An attacker may be able to view sensitive user     information. (CVE-2024-40786)

  - This issue was addressed by adding an additional prompt for user consent. This issue is fixed in macOS     Ventura 13.6.8, macOS Monterey 12.7.6, iOS 17.6 and iPadOS 17.6, watchOS 10.6, macOS Sonoma 14.6. A     shortcut may be able to bypass Internet permission requirements. (CVE-2024-40787)

  - A type confusion issue was addressed with improved memory handling. This issue is fixed in iOS 16.7.9 and     iPadOS 16.7.9, macOS Ventura 13.6.8, macOS Monterey 12.7.6, iOS 17.6 and iPadOS 17.6, watchOS 10.6, tvOS     17.6, visionOS 1.3, macOS Sonoma 14.6. A local attacker may be able to cause unexpected system shutdown.
    (CVE-2024-40788)

  - This issue was addressed by removing the vulnerable code. This issue is fixed in iOS 16.7.9 and iPadOS     16.7.9, macOS Ventura 13.6.8, macOS Monterey 12.7.6, iOS 17.6 and iPadOS 17.6, watchOS 10.6, macOS Sonoma     14.6. An app may be able to access user-sensitive data. (CVE-2024-40793)

  - A privacy issue was addressed with improved private data redaction for log entries. This issue is fixed in     macOS Sonoma 14.6, iOS 16.7.9 and iPadOS 16.7.9, macOS Monterey 12.7.6, macOS Ventura 13.6.8. Private     browsing may leak some browsing history. (CVE-2024-40796)

  - This issue was addressed with improved redaction of sensitive information. This issue is fixed in macOS     Sonoma 14.6, iOS 16.7.9 and iPadOS 16.7.9, macOS Monterey 12.7.6, macOS Ventura 13.6.8. An app may be able     to read Safari's browsing history. (CVE-2024-40798)

  - An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in iOS     16.7.9 and iPadOS 16.7.9, macOS Ventura 13.6.8, macOS Monterey 12.7.6, iOS 17.6 and iPadOS 17.6, watchOS     10.6, tvOS 17.6, visionOS 1.3, macOS Sonoma 14.6. Processing a maliciously crafted file may lead to     unexpected app termination. (CVE-2024-40799, CVE-2024-40806)

  - An input validation issue was addressed with improved input validation. This issue is fixed in macOS     Sonoma 14.6, macOS Monterey 12.7.6, macOS Ventura 13.6.8. An app may be able to modify protected parts of     the file system. (CVE-2024-40800)

  - A type confusion issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14.6, macOS     Monterey 12.7.6, macOS Ventura 13.6.8. An attacker may be able to cause unexpected app termination.
    (CVE-2024-40803)

  - A logic issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14.6, macOS Monterey     12.7.6, macOS Ventura 13.6.8. A shortcut may be able to use sensitive data with certain actions without     prompting the user. (CVE-2024-40807)

  - A logic issue was addressed with improved checks. This issue is fixed in iOS 16.7.9 and iPadOS 16.7.9,     macOS Ventura 13.6.8, macOS Monterey 12.7.6, iOS 17.6 and iPadOS 17.6, watchOS 10.6, visionOS 1.3, macOS     Sonoma 14.6. A shortcut may be able to bypass Internet permission requirements. (CVE-2024-40809,     CVE-2024-40812)

  - A race condition was addressed with additional validation. This issue is fixed in macOS Ventura 13.6.8,     iOS 17.6 and iPadOS 17.6, watchOS 10.6, tvOS 17.6, macOS Sonoma 14.6. A malicious attacker with arbitrary     read and write capability may be able to bypass Pointer Authentication. (CVE-2024-40815)

  - An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Sonoma     14.6, macOS Monterey 12.7.6, macOS Ventura 13.6.8. A local attacker may be able to cause unexpected system     shutdown. (CVE-2024-40816)

  - The issue was addressed with improved UI handling. This issue is fixed in macOS Sonoma 14.6, Safari 17.6,     macOS Monterey 12.7.6, macOS Ventura 13.6.8. Visiting a website that frames malicious content may lead to     UI spoofing. (CVE-2024-40817)

  - This issue was addressed by restricting options offered on a locked device. This issue is fixed in iOS     16.7.9 and iPadOS 16.7.9, macOS Ventura 13.6.8, iOS 17.6 and iPadOS 17.6, watchOS 10.6, macOS Sonoma 14.6.
    An attacker with physical access may be able to use Siri to access sensitive user data. (CVE-2024-40818)

  - An access issue was addressed with additional sandbox restrictions. This issue is fixed in macOS Sonoma     14.6, macOS Monterey 12.7.6, macOS Ventura 13.6.8. Third party app extensions may not receive the correct     sandbox restrictions. (CVE-2024-40821)

  - The issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14.6, macOS Monterey     12.7.6, macOS Ventura 13.6.8. An app may be able to access user-sensitive data. (CVE-2024-40823)

  - The issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14.6, macOS Monterey     12.7.6, macOS Ventura 13.6.8. An app may be able to overwrite arbitrary files. (CVE-2024-40827)

  - The issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14.6, macOS Monterey     12.7.6, macOS Ventura 13.6.8. A malicious app may be able to gain root privileges. (CVE-2024-40828)

  - The issue was addressed with improved checks. This issue is fixed in watchOS 10.6, iOS 17.6 and iPadOS     17.6, iOS 16.7.9 and iPadOS 16.7.9, macOS Ventura 13.6.8. An attacker may be able to view restricted     content from the lock screen. (CVE-2024-40829)

  - A logic issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14.6, iOS 16.7.9 and     iPadOS 16.7.9, macOS Monterey 12.7.6, macOS Ventura 13.6.8. A shortcut may be able to use sensitive data     with certain actions without prompting the user. (CVE-2024-40833)

  - This issue was addressed by adding an additional prompt for user consent. This issue is fixed in macOS     Sonoma 14.6, macOS Monterey 12.7.6, macOS Ventura 13.6.8. A shortcut may be able to bypass sensitive     Shortcuts app settings. (CVE-2024-40834)

  - A logic issue was addressed with improved checks. This issue is fixed in iOS 16.7.9 and iPadOS 16.7.9,     macOS Ventura 13.6.8, macOS Monterey 12.7.6, iOS 17.6 and iPadOS 17.6, watchOS 10.6, macOS Sonoma 14.6. A     shortcut may be able to use sensitive data with certain actions without prompting the user.
    (CVE-2024-40835)

  - A security regression (CVE-2006-5051) was discovered in OpenSSH's server (sshd). There is a race condition     which can lead sshd to handle some signals in an unsafe manner. An unauthenticated, remote attacker may be     able to trigger it by failing to authenticate within a set time period. (CVE-2024-6387)

  - A race condition in sshd affecting versions between 8.5p1 and 9.7p1 (inclusive) may allow arbitrary code     execution with root privileges. Successful exploitation has been demonstrated on 32-bit Linux/glibc     systems with ASLR. According to OpenSSH, the attack has been tested under lab conditions and requires on     average 6-8 hours of continuous connections up to the maximum the server will accept. Exploitation on     64-bit systems is believed to be possible but has not been demonstrated at this time.  (CVE-2024-6387)

  - An issue in the handling of URL protocols was addressed with improved logic. (CVE-2024-44205)

Note that Nessus has not tested for these issues but has instead relied only on the operating system's self-reported version number.

The version of FortiWeb installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the FG-IR-24-258 advisory.

  - A race condition in sshd affecting versions between 8.5p1 and 9.7p1 (inclusive) may allow arbitrary code     execution with root privileges. Successful exploitation has been demonstrated on 32-bit Linux/glibc     systems with ASLR. According to OpenSSH, the attack has been tested under lab conditions and requires on     average 6-8 hours of continuous connections up to the maximum the server will accept. Exploitation on     64-bit systems is believed to be possible but has not been demonstrated at this time.  (CVE-2024-6387)

  - A security regression (CVE-2006-5051) was discovered in OpenSSH's server (sshd). There is a race condition     which can lead sshd to handle some signals in an unsafe manner. An unauthenticated, remote attacker may be     able to trigger it by failing to authenticate within a set time period. (CVE-2024-6387)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote host is running a version of macOS / Mac OS X that is 14.x prior to 14.6. It is, therefore, affected by multiple vulnerabilities:

  - A race condition was addressed with improved locking. This issue is fixed in macOS Ventura 13.3. An app     may bypass Gatekeeper checks. (CVE-2023-27952)

  - Faulty input validation in the core of Apache allows malicious or exploitable backend/content generators     to split HTTP responses. This issue affects Apache HTTP Server: through 2.4.58. (CVE-2023-38709)

  - A segment fault (SEGV) flaw was found in libtiff that could be triggered by passing a crafted tiff file to     the TIFFReadRGBATileExt() API. This flaw allows a remote attacker to cause a heap-buffer overflow, leading     to a denial of service. (CVE-2023-52356)

  - An out-of-memory flaw was found in libtiff. Passing a crafted tiff file to TIFFOpen() API may allow a     remote attacker to cause a denial of service via a craft input with size smaller than 379 KB.
    (CVE-2023-6277)

  - When a protocol selection parameter option disables all protocols without adding any then the default set     of protocols would remain in the allowed set due to an error in the logic for removing protocols. The     below command would perform a request to curl.se with a plaintext protocol which has been explicitly     disabled. curl --proto -all,-http http://curl.se The flaw is only present if the set of selected protocols     disables the entire set of available protocols, in itself a command with no practical use and therefore     unlikely to be encountered in real situations. The curl security team has thus assessed this to be low     severity bug. (CVE-2024-2004)

  - libcurl skips the certificate verification for a QUIC connection under certain conditions, when built to     use wolfSSL. If told to use an unknown/bad cipher or curve, the error path accidentally skips the     verification and returns OK, thus ignoring any certificate problems. (CVE-2024-2379)

  - When an application tells libcurl it wants to allow HTTP/2 server push, and the amount of received headers     for the push surpasses the maximum allowed limit (1000), libcurl aborts the server push. When aborting,     libcurl inadvertently does not free all the previously allocated headers and instead leaks the memory.
    Further, this error condition fails silently and is therefore not easily detected by an application.
    (CVE-2024-2398)

  - libcurl did not check the server certificate of TLS connections done to a host specified as an IP address,     when built to use mbedTLS. libcurl would wrongly avoid using the set hostname function when the specified     hostname was given as an IP address, therefore completely skipping the certificate check. This affects all     uses of TLS protocols (HTTPS, FTPS, IMAPS, POPS3, SMTPS, etc). (CVE-2024-2466)

  - HTTP Response splitting in multiple modules in Apache HTTP Server allows an attacker that can inject     malicious response headers into backend applications to cause an HTTP desynchronization attack. Users are     recommended to upgrade to version 2.4.59, which fixes this issue. (CVE-2024-24795)

  - HTTP/2 incoming headers exceeding the limit are temporarily buffered in nghttp2 in order to generate an     informative HTTP 413 response. If a client does not stop sending headers, this leads to memory exhaustion.
    (CVE-2024-27316)

  - A logic issue was addressed with improved state management. This issue is fixed in macOS Sonoma 14.6.
    Enabling Lockdown Mode while setting up a Mac may cause FileVault to become unexpectedly disabled.
    (CVE-2024-27862)

  - An information disclosure issue was addressed with improved private data redaction for log entries. This     issue is fixed in iOS 17.6 and iPadOS 17.6, watchOS 10.6, tvOS 17.6, visionOS 1.3, macOS Sonoma 14.6. A     local attacker may be able to determine kernel memory layout. (CVE-2024-27863)

  - A path handling issue was addressed with improved validation. This issue is fixed in macOS Sonoma 14.6,     iOS 17.6 and iPadOS 17.6. An app may be able to access protected user data. (CVE-2024-27871)

  - This issue was addressed with improved validation of symlinks. This issue is fixed in macOS Sonoma 14.6.
    An app may be able to access protected user data. (CVE-2024-27872)

  - An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in iOS     16.7.9 and iPadOS 16.7.9, macOS Ventura 13.6.8, macOS Monterey 12.7.6, iOS 17.6 and iPadOS 17.6, macOS     Sonoma 14.6. Processing a maliciously crafted video file may lead to unexpected app termination.
    (CVE-2024-27873)

  - The issue was addressed with improved memory handling. This issue is fixed in macOS Sonoma 14.6, macOS     Monterey 12.7.6, macOS Ventura 13.6.8. Processing a maliciously crafted file may lead to a denial-of-     service or potentially disclose memory contents. (CVE-2024-27877)

  - A buffer overflow issue was addressed with improved memory handling. This issue is fixed in macOS Sonoma     14.6. An app with root privileges may be able to execute arbitrary code with kernel privileges.
    (CVE-2024-27878)

  - A privacy issue was addressed with improved private data redaction for log entries. This issue is fixed in     macOS Sonoma 14.6, macOS Monterey 12.7.6, macOS Ventura 13.6.8. An app may be able to access information     about a user's contacts. (CVE-2024-27881)

  - A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Sonoma 14.6,     macOS Monterey 12.7.6, macOS Ventura 13.6.8. An app may be able to modify protected parts of the file     system. (CVE-2024-27882, CVE-2024-27883)

  - A downgrade issue was addressed with additional code-signing restrictions. This issue is fixed in macOS     Ventura 13.6.8, macOS Monterey 12.7.6, iOS 17.6 and iPadOS 17.6, watchOS 10.6, tvOS 17.6, macOS Sonoma     14.6. An app may be able to bypass Privacy preferences. (CVE-2024-40774)

  - A downgrade issue was addressed with additional code-signing restrictions. This issue is fixed in macOS     Sonoma 14.6, macOS Monterey 12.7.6, macOS Ventura 13.6.8. An app may be able to leak sensitive user     information. (CVE-2024-40775)

  - A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 16.7.9     and iPadOS 16.7.9, Safari 17.6, iOS 17.6 and iPadOS 17.6, watchOS 10.6, tvOS 17.6, visionOS 1.3, macOS     Sonoma 14.6. Processing maliciously crafted web content may lead to an unexpected process crash.
    (CVE-2024-40776, CVE-2024-40782)

  - An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 17.6     and iPadOS 17.6, watchOS 10.6, tvOS 17.6, visionOS 1.3, macOS Sonoma 14.6. Processing a maliciously     crafted file may lead to unexpected app termination. (CVE-2024-40777)

  - An authentication issue was addressed with improved state management. This issue is fixed in macOS Sonoma     14.6, iOS 17.6 and iPadOS 17.6, iOS 16.7.9 and iPadOS 16.7.9. Photos in the Hidden Photos Album may be     viewed without authentication. (CVE-2024-40778)

  - An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 16.7.9 and     iPadOS 16.7.9, Safari 17.6, iOS 17.6 and iPadOS 17.6, watchOS 10.6, tvOS 17.6, visionOS 1.3, macOS Sonoma     14.6. Processing maliciously crafted web content may lead to an unexpected process crash. (CVE-2024-40779,     CVE-2024-40780)

  - The issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14.6, macOS Monterey     12.7.6, macOS Ventura 13.6.8. A local attacker may be able to elevate their privileges. (CVE-2024-40781,     CVE-2024-40802)

  - The issue was addressed with improved restriction of data container access. This issue is fixed in macOS     Sonoma 14.6, macOS Monterey 12.7.6, macOS Ventura 13.6.8. A malicious application may be able to bypass     Privacy preferences. (CVE-2024-40783)

  - An integer overflow was addressed with improved input validation. This issue is fixed in iOS 16.7.9 and     iPadOS 16.7.9, macOS Ventura 13.6.8, iOS 17.6 and iPadOS 17.6, watchOS 10.6, tvOS 17.6, visionOS 1.3,     macOS Sonoma 14.6. Processing a maliciously crafted file may lead to unexpected app termination.
    (CVE-2024-40784)

  - This issue was addressed with improved checks. This issue is fixed in iOS 16.7.9 and iPadOS 16.7.9, Safari     17.6, iOS 17.6 and iPadOS 17.6, watchOS 10.6, tvOS 17.6, visionOS 1.3, macOS Sonoma 14.6. Processing     maliciously crafted web content may lead to a cross site scripting attack. (CVE-2024-40785)

  - This issue was addressed by adding an additional prompt for user consent. This issue is fixed in macOS     Ventura 13.6.8, macOS Monterey 12.7.6, iOS 17.6 and iPadOS 17.6, watchOS 10.6, macOS Sonoma 14.6. A     shortcut may be able to bypass Internet permission requirements. (CVE-2024-40787)

  - A type confusion issue was addressed with improved memory handling. This issue is fixed in iOS 16.7.9 and     iPadOS 16.7.9, macOS Ventura 13.6.8, macOS Monterey 12.7.6, iOS 17.6 and iPadOS 17.6, watchOS 10.6, tvOS     17.6, visionOS 1.3, macOS Sonoma 14.6. A local attacker may be able to cause unexpected system shutdown.
    (CVE-2024-40788)

  - An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS     16.7.9 and iPadOS 16.7.9, Safari 17.6, iOS 17.6 and iPadOS 17.6, watchOS 10.6, tvOS 17.6, visionOS 1.3,     macOS Sonoma 14.6. Processing maliciously crafted web content may lead to an unexpected process crash.
    (CVE-2024-40789)

  - This issue was addressed by removing the vulnerable code. This issue is fixed in iOS 16.7.9 and iPadOS     16.7.9, macOS Ventura 13.6.8, macOS Monterey 12.7.6, iOS 17.6 and iPadOS 17.6, watchOS 10.6, macOS Sonoma     14.6. An app may be able to access user-sensitive data. (CVE-2024-40793)

  - This issue was addressed through improved state management. This issue is fixed in macOS Sonoma 14.6, iOS     17.6 and iPadOS 17.6, Safari 17.6. Private Browsing tabs may be accessed without authentication.
    (CVE-2024-40794)

  - This issue was addressed with improved data protection. This issue is fixed in watchOS 10.6, macOS Sonoma     14.6, iOS 17.6 and iPadOS 17.6, tvOS 17.6. An app may be able to read sensitive location information.
    (CVE-2024-40795)

  - A privacy issue was addressed with improved private data redaction for log entries. This issue is fixed in     macOS Sonoma 14.6, iOS 16.7.9 and iPadOS 16.7.9, macOS Monterey 12.7.6, macOS Ventura 13.6.8. Private     browsing may leak some browsing history. (CVE-2024-40796)

  - This issue was addressed with improved redaction of sensitive information. This issue is fixed in macOS     Sonoma 14.6, iOS 16.7.9 and iPadOS 16.7.9, macOS Monterey 12.7.6, macOS Ventura 13.6.8. An app may be able     to read Safari's browsing history. (CVE-2024-40798)

  - An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in iOS     16.7.9 and iPadOS 16.7.9, macOS Ventura 13.6.8, macOS Monterey 12.7.6, iOS 17.6 and iPadOS 17.6, watchOS     10.6, tvOS 17.6, visionOS 1.3, macOS Sonoma 14.6. Processing a maliciously crafted file may lead to     unexpected app termination. (CVE-2024-40799, CVE-2024-40806)

  - An input validation issue was addressed with improved input validation. This issue is fixed in macOS     Sonoma 14.6, macOS Monterey 12.7.6, macOS Ventura 13.6.8. An app may be able to modify protected parts of     the file system. (CVE-2024-40800)

  - A type confusion issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14.6, macOS     Monterey 12.7.6, macOS Ventura 13.6.8. An attacker may be able to cause unexpected app termination.
    (CVE-2024-40803)

  - The issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14.6. A malicious     application may be able to access private information. (CVE-2024-40804)

  - A permissions issue was addressed with additional restrictions. This issue is fixed in watchOS 10.6, macOS     Sonoma 14.6, iOS 17.6 and iPadOS 17.6, tvOS 17.6. An app may be able to bypass Privacy preferences.
    (CVE-2024-40805)

  - A logic issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14.6, macOS Monterey     12.7.6, macOS Ventura 13.6.8. A shortcut may be able to use sensitive data with certain actions without     prompting the user. (CVE-2024-40807)

  - A logic issue was addressed with improved checks. This issue is fixed in iOS 16.7.9 and iPadOS 16.7.9,     macOS Ventura 13.6.8, macOS Monterey 12.7.6, iOS 17.6 and iPadOS 17.6, watchOS 10.6, visionOS 1.3, macOS     Sonoma 14.6. A shortcut may be able to bypass Internet permission requirements. (CVE-2024-40809,     CVE-2024-40812)

  - The issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14.6. An app may be able     to modify protected parts of the file system. (CVE-2024-40811)

  - A downgrade issue was addressed with additional code-signing restrictions. This issue is fixed in macOS     Sonoma 14.6. An app may be able to bypass Privacy preferences. (CVE-2024-40814)

  - A race condition was addressed with additional validation. This issue is fixed in macOS Ventura 13.6.8,     iOS 17.6 and iPadOS 17.6, watchOS 10.6, tvOS 17.6, macOS Sonoma 14.6. A malicious attacker with arbitrary     read and write capability may be able to bypass Pointer Authentication. (CVE-2024-40815)

  - An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Sonoma     14.6, macOS Monterey 12.7.6, macOS Ventura 13.6.8. A local attacker may be able to cause unexpected system     shutdown. (CVE-2024-40816)

  - The issue was addressed with improved UI handling. This issue is fixed in macOS Sonoma 14.6, Safari 17.6,     macOS Monterey 12.7.6, macOS Ventura 13.6.8. Visiting a website that frames malicious content may lead to     UI spoofing. (CVE-2024-40817)

  - This issue was addressed by restricting options offered on a locked device. This issue is fixed in iOS     16.7.9 and iPadOS 16.7.9, macOS Ventura 13.6.8, iOS 17.6 and iPadOS 17.6, watchOS 10.6, macOS Sonoma 14.6.
    An attacker with physical access may be able to use Siri to access sensitive user data. (CVE-2024-40818)

  - An access issue was addressed with additional sandbox restrictions. This issue is fixed in macOS Sonoma     14.6, macOS Monterey 12.7.6, macOS Ventura 13.6.8. Third party app extensions may not receive the correct     sandbox restrictions. (CVE-2024-40821)

  - This issue was addressed by restricting options offered on a locked device. This issue is fixed in watchOS     10.6, macOS Sonoma 14.6, iOS 17.6 and iPadOS 17.6, iOS 16.7.9 and iPadOS 16.7.9. An attacker with physical     access to a device may be able to access contacts from the lock screen. (CVE-2024-40822)

  - The issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14.6, macOS Monterey     12.7.6, macOS Ventura 13.6.8. An app may be able to access user-sensitive data. (CVE-2024-40823)

  - This issue was addressed through improved state management. This issue is fixed in watchOS 10.6, macOS     Sonoma 14.6, iOS 17.6 and iPadOS 17.6, tvOS 17.6. An app may be able to bypass Privacy preferences.
    (CVE-2024-40824)

  - The issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14.6, macOS Monterey     12.7.6, macOS Ventura 13.6.8. An app may be able to overwrite arbitrary files. (CVE-2024-40827)

  - The issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14.6, macOS Monterey     12.7.6, macOS Ventura 13.6.8. A malicious app may be able to gain root privileges. (CVE-2024-40828)

  - The issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14.6. An app may be able     to view a contact's phone number in system logs. (CVE-2024-40832)

  - A logic issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14.6, iOS 16.7.9 and     iPadOS 16.7.9, macOS Monterey 12.7.6, macOS Ventura 13.6.8. A shortcut may be able to use sensitive data     with certain actions without prompting the user. (CVE-2024-40833)

  - This issue was addressed by adding an additional prompt for user consent. This issue is fixed in macOS     Sonoma 14.6, macOS Monterey 12.7.6, macOS Ventura 13.6.8. A shortcut may be able to bypass sensitive     Shortcuts app settings. (CVE-2024-40834)

  - A logic issue was addressed with improved checks. This issue is fixed in iOS 16.7.9 and iPadOS 16.7.9,     macOS Ventura 13.6.8, macOS Monterey 12.7.6, iOS 17.6 and iPadOS 17.6, watchOS 10.6, macOS Sonoma 14.6. A     shortcut may be able to use sensitive data with certain actions without prompting the user.
    (CVE-2024-40835)

  - A logic issue was addressed with improved checks. This issue is fixed in watchOS 10.6, macOS Sonoma 14.6,     iOS 17.6 and iPadOS 17.6, iOS 16.7.9 and iPadOS 16.7.9. A shortcut may be able to use sensitive data with     certain actions without prompting the user. (CVE-2024-40836)

  - Use after free in ANGLE in Google Chrome prior to 124.0.6367.155 allowed a remote attacker to potentially     exploit heap corruption via a crafted HTML page. (Chromium security severity: High) (CVE-2024-4558)

  - A security regression (CVE-2006-5051) was discovered in OpenSSH's server (sshd). There is a race condition     which can lead sshd to handle some signals in an unsafe manner. An unauthenticated, remote attacker may be     able to trigger it by failing to authenticate within a set time period. (CVE-2024-6387)

  - A race condition in sshd affecting versions between 8.5p1 and 9.7p1 (inclusive) may allow arbitrary code     execution with root privileges. Successful exploitation has been demonstrated on 32-bit Linux/glibc     systems with ASLR. According to OpenSSH, the attack has been tested under lab conditions and requires on     average 6-8 hours of continuous connections up to the maximum the server will accept. Exploitation on     64-bit systems is believed to be possible but has not been demonstrated at this time.  (CVE-2024-6387)

Note that Nessus has not tested for these issues but has instead relied only on the operating system's self-reported version number.

The remote NewStart CGSL host, running version MAIN 7.02, has openssh packages installed that are affected by multiple vulnerabilities:

  - A race condition in sshd affecting versions between 8.5p1 and 9.7p1 (inclusive) may allow arbitrary code     execution with root privileges. Successful exploitation has been demonstrated on 32-bit Linux/glibc     systems with ASLR. According to OpenSSH, the attack has been tested under lab conditions and requires on     average 6-8 hours of continuous connections up to the maximum the server will accept. Exploitation on     64-bit systems is believed to be possible but has not been demonstrated at this time.  (CVE-2024-6387)

  - A security regression (CVE-2006-5051) was discovered in OpenSSH's server (sshd). There is a race condition     which can lead sshd to handle some signals in an unsafe manner. An unauthenticated, remote attacker may be     able to trigger it by failing to authenticate within a set time period. (CVE-2024-6387)

  - The PKCS#11 feature in ssh-agent in OpenSSH before 9.3p2 has an insufficiently trustworthy search path,     leading to remote code execution if an agent is forwarded to an attacker-controlled system. (Code in     /usr/lib is not necessarily safe for loading into ssh-agent.) NOTE: this issue exists because of an     incomplete fix for CVE-2016-10009. (CVE-2023-38408)

  - OpenSSH server (sshd) 9.1 introduced a double-free vulnerability during options.kex_algorithms handling.
    This is fixed in OpenSSH 9.2. The double free can be leveraged, by an unauthenticated remote attacker in     the default configuration, to jump to any location in the sshd address space. One third-party report     states remote code execution is theoretically possible. (CVE-2023-25136)

  - In ssh-agent in OpenSSH before 9.6, certain destination constraints can be incompletely applied. When     destination constraints are specified during addition of PKCS#11-hosted private keys, these constraints     are only applied to the first key, even if a PKCS#11 token returns multiple keys. (CVE-2023-51384)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2024-12468 advisory.

    [8.7p1-38.0.2]
    - Restore dropped earlier ifdef condition for safe _exit(1) call in sshsigdie() [Orabug: 36783468]       Resolves CVE-2024-6387

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Debian 12 host has packages installed that are affected by a vulnerability as referenced in the dsa-5724 advisory.

    - -------------------------------------------------------------------------     Debian Security Advisory DSA-5724-1                   security@debian.org     https://www.debian.org/security/                     Salvatore Bonaccorso     July 01, 2024                         https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package        : openssh     CVE ID         : CVE-2024-6387

    The Qualys Threat Research Unit (TRU) discovered that OpenSSH, an     implementation of the SSH protocol suite, is prone to a signal handler     race condition. If a client does not authenticate within LoginGraceTime     seconds (120 by default), then sshd's SIGALRM handler is called     asynchronously and calls various functions that are not     async-signal-safe. A remote unauthenticated attacker can take advantage     of this flaw to execute arbitrary code with root privileges. This flaw     affects sshd in its default configuration.

    Details can be found in the Qualys advisory at     https://www.qualys.com/2024/07/01/cve-2024-6387/regresshion.txt

    For the stable distribution (bookworm), this problem has been fixed in     version 1:9.2p1-2+deb12u3.

    We recommend that you upgrade your openssh packages.

    For the detailed security status of openssh please refer to its security     tracker page at:
    https://security-tracker.debian.org/tracker/openssh

    Further information about Debian Security Advisories, how to apply     these updates to your system and frequently asked questions can be     found at: https://www.debian.org/security/

    Mailing list: debian-security-announce@lists.debian.org

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2024:4340 advisory.

    OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating     systems. It includes the core files necessary for both the OpenSSH client and server.

    Security Fix(es):

    * openssh: Possible remote code execution due to a race condition in signal handling (CVE-2024-6387)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2024:4312 advisory.

    * openssh: Possible remote code execution due to a race condition in signal handling (CVE-2024-6387)

Tenable has extracted the preceding description block directly from the AlmaLinux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

An update of the openssh package has been released.

According to the versions of the openssh packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

    A signal handler race condition was found in OpenSSH's server (sshd), where a client does not authenticate     within LoginGraceTime seconds (120 by default, 600 in old OpenSSH versions), then sshd's SIGALRM handler     is called asynchronously. However, this signal handler calls various functions that are not async-signal-     safe, for example, syslog().(CVE-2024-6387)

Tenable has extracted the preceding description block directly from the EulerOS openssh security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

A security regression (CVE-2006-5051) was discovered in OpenSSH's server (sshd). There is a race condition which can lead sshd to handle some signals in an unsafe manner. An unauthenticated, remote attacker may be able to trigger it by failing to authenticate within a set time period.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	名稱	產品	系列	已發布	已更新	嚴重性
205984	EulerOS Virtualization 2.11.1 : openssh (EulerOS-SA-2024-2159)	Nessus	Huawei Local Security Checks	2024/8/21	2025/2/21	high
206464	Rocky Linux 9 : OpenSSH regreSSHion (CVE-2024-6387)	Nessus	Rocky Linux Local Security Checks	2024/9/3	2025/1/15	high
206767	NewStart CGSL CORE 5.05 / MAIN 5.05 : openssh Vulnerability (NS-SA-2024-1002)	Nessus	NewStart CGSL Local Security Checks	2024/9/8	2025/2/21	critical
207227	macOS 13.x < 13.6.8 Multiple Vulnerabilities (120912)	Nessus	MacOS X Local Security Checks	2024/9/13	2024/11/1	critical
209711	Fortinet FortiWeb OpenSSH regreSSHion Attack (CVE-2024-6387) (FG-IR-24-258)	Nessus	Firewalls	2024/10/25	2025/5/13	critical
204837	macOS 14.x < 14.6 Multiple Vulnerabilities (HT214119)	Nessus	MacOS X Local Security Checks	2024/7/29	2024/12/23	critical
242758	NewStart CGSL MAIN 7.02 : openssh Multiple Vulnerabilities (NS-SA-2025-0124)	Nessus	NewStart CGSL Local Security Checks	2025/7/25	2025/7/25	critical
201212	Oracle Linux 9 : openssh (ELSA-2024-12468)	Nessus	Oracle Linux Local Security Checks	2024/7/1	2024/9/23	critical
201213	Debian dsa-5724 : openssh-client - security update	Nessus	Debian Local Security Checks	2024/7/1	2024/7/1	high
201929	RHEL 9 : openssh (RHSA-2024:4340)	Nessus	Red Hat Local Security Checks	2024/7/5	2024/11/7	critical
201930	AlmaLinux 9 : openssh (ALSA-2024:4312)	Nessus	Alma Linux Local Security Checks	2024/7/5	2025/2/21	high
203519	Photon OS 4.0: Openssh PHSA-2024-4.0-0642	Nessus	PhotonOS Local Security Checks	2024/7/23	2025/2/21	high
205245	EulerOS 2.0 SP11 : openssh (EulerOS-SA-2024-2089)	Nessus	Huawei Local Security Checks	2024/8/8	2025/2/21	high
205959	EulerOS Virtualization 2.11.0 : openssh (EulerOS-SA-2024-2184)	Nessus	Huawei Local Security Checks	2024/8/21	2025/2/21	high
211581	Cisco Firepower Management Center Software RCE (cisco-sa-openssh-rce-2024)	Nessus	CISCO	2024/11/19	2024/11/20	high

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