執行 CORE 5.04 / MAIN 5.04 版的遠端 NewStart CGSL 主機上安裝的 ppp 套件受到一個弱點影響：

  在 2.4.2 至 2.4.8 版 ppp 中，pppd 中 eap.c 的 eap_request 和 eap_response 函式中有一個 rhostname 緩衝區溢位問題。(CVE-2020-8597)

請注意，Nessus 並未測試此問題，而是僅依據應用程式自我報告的版本號碼。

執行 MAIN 4.05 版的遠端 NewStart CGSL 主機上安裝的 ppp 套件受到一個弱點影響：

  在 2.4.2 至 2.4.8 版 ppp 中，pppd 中 eap.c 的 eap_request 和 eap_response 函式中有一個 rhostname 緩衝區溢位問題。(CVE-2020-8597)

請注意，Nessus 並未測試此問題，而是僅依據應用程式自我報告的版本號碼。

遠端 CentOS Linux 8 主機上安裝的套件受到 CESA-2020: 0633 公告中提及的弱點影響。

  - ppp：eap.c 的 eap_request 和 eap_response 函式中有緩衝區溢位情形 (CVE-2020-8597)

請注意，Nessus 並未測試此問題，而是僅依據應用程式自我報告的版本號碼。

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2020:0633 advisory.

  - eap.c in pppd in ppp 2.4.2 through 2.4.8 has an rhostname buffer overflow in the eap_request and     eap_response functions. (CVE-2020-8597)

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

Ilja Van Sprundel reported a logic flaw in the Extensible Authentication Protocol (EAP) packet parser in the Point-to-Point Protocol Daemon (pppd). An unauthenticated attacker can take advantage of this flaw to trigger a stack-based buffer overflow, leading to denial of service (pppd daemon crash).

The remote Ubuntu 16.04 LTS / 18.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-4288-1 advisory.

    It was discovered that ppp incorrectly handled certain rhostname values. A remote attacker could use this     issue to cause ppp to crash, resulting in a denial of service, or possibly execute arbitrary code.

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

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

This update for ppp fixes the following security issue :

CVE-2020-8597: Fixed a buffer overflow in the eap_request and eap_response functions (bsc#1162610).

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote CentOS Linux 6 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:0631 advisory.

  - eap.c in pppd in ppp 2.4.2 through 2.4.8 has an rhostname buffer overflow in the eap_request and     eap_response functions. (CVE-2020-8597)

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 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:0633 advisory.

    The ppp packages contain the Point-to-Point Protocol (PPP) daemon and documentation for PPP support. The     PPP protocol provides a method for transmitting datagrams over serial point-to-point links. PPP is usually     used to dial in to an Internet Service Provider (ISP) or other organization over a modem and phone line.

    Security Fix(es):

    * ppp: Buffer overflow in the eap_request and eap_response functions in eap.c (CVE-2020-8597)

    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.

Security Fix(es) :

  - ppp: Buffer overflow in the eap_request and eap_response     functions in eap.c (CVE-2020-8597)

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2020-0633 advisory.

    [2.4.7-26]
    - Fixed buffer overflow in the eap_request and eap_response functions       Resolves: CVE-2020-8597

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.

New ppp packages are available for Slackware 14.0, 14.1, 14.2, and
-current to fix a security issue.

The remote host is affected by the vulnerability described in GLSA-202003-19 (PPP: Buffer overflow)

    It was discovered that bounds check in PPP for the rhostname was       improperly constructed in the EAP request and response functions.
  Impact :

    A remote attacker, by sending specially crafted authentication data,       could possibly execute arbitrary code with the privileges of the process       or cause a Denial of Service condition.
  Workaround :

    There is no known workaround at this time.

ID	名稱	產品	系列	已發布	已更新	嚴重性
136905	NewStart CGSL CORE 5.04 / MAIN 5.04：ppp 弱點 (NS-SA-2020-0027)	Nessus	NewStart CGSL Local Security Checks	2020/5/27	2022/12/5	critical
140286	NewStart CGSL MAIN 4.05：ppp 弱點 (NS-SA-2020-0052)	Nessus	NewStart CGSL Local Security Checks	2020/9/7	2022/12/6	critical
145901	CentOS 8：ppp (CESA-2020: 0633)	Nessus	CentOS Local Security Checks	2021/2/1	2022/12/5	critical
157590	AlmaLinux 8 : ppp (ALSA-2020:0633)	Nessus	Alma Linux Local Security Checks	2022/2/9	2022/12/5	critical
133880	Debian DSA-4632-1 : ppp - security update	Nessus	Debian Local Security Checks	2020/2/24	2024/3/26	critical
133950	Ubuntu 16.04 LTS / 18.04 LTS : ppp vulnerability (USN-4288-1)	Nessus	Ubuntu Local Security Checks	2020/2/24	2024/8/27	critical
134101	SUSE SLED15 / SLES15 Security Update : ppp (SUSE-SU-2020:0489-1)	Nessus	SuSE Local Security Checks	2020/2/27	2024/3/25	critical
134102	SUSE SLED12 / SLES12 Security Update : ppp (SUSE-SU-2020:0490-1)	Nessus	SuSE Local Security Checks	2020/2/27	2024/3/25	critical
134122	CentOS 6 : ppp (RHSA-2020:0631)	Nessus	CentOS Local Security Checks	2020/2/28	2024/10/9	critical
134147	RHEL 8 : ppp (RHSA-2020:0633)	Nessus	Red Hat Local Security Checks	2020/2/28	2024/11/7	critical
134150	Scientific Linux Security Update : ppp on SL6.x i386/x86_64 (20200227)	Nessus	Scientific Linux Local Security Checks	2020/2/28	2024/3/25	critical
134191	Oracle Linux 8 : ppp (ELSA-2020-0633)	Nessus	Oracle Linux Local Security Checks	2020/3/2	2024/10/22	critical
134277	Slackware 14.0 / 14.1 / 14.2 / current : ppp (SSA:2020-064-01)	Nessus	Slackware Local Security Checks	2020/3/6	2024/3/25	critical
134596	GLSA-202003-19 : PPP: Buffer overflow	Nessus	Gentoo Local Security Checks	2020/3/16	2024/3/22	critical

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