This update for dovecot23 fixes the following issues :

Security issues fixed :

  - CVE-2020-12100: Fixed a resource exhaustion caused by     deeply nested MIME parts (bsc#1174920).

  - CVE-2020-24386: Fixed an issue with IMAP hibernation     that allowed users to access other users' emails     (bsc#1180405).

  - CVE-2020-25275: Fixed a crash when the 10000th MIME part     was message/rfc822 (bsc#1180406).

Non-security issues fixed :

  - Pigeonhole was updated to version 0.5.11.

  - Dovecot was updated to version 2.3.11.3.

This update was imported from the SUSE:SLE-15-SP1:Update update project.

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-3617 advisory.

    - fix CVE-2020-12100 resource exhaustion via deeply nested MIME parts (#1871841)
    - fix CVE-2020-12673 out of bound reads in dovecot NTLM implementation (#1871843)

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

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

The remote NewStart CGSL host, running version CORE 5.05 / MAIN 5.05, has dovecot packages installed that are affected by multiple vulnerabilities:

  - In Dovecot before 2.3.11.3, uncontrolled recursion in submission, lmtp, and lda allows remote attackers to     cause a denial of service (resource consumption) via a crafted e-mail message with deeply nested MIME     parts. (CVE-2020-12100)

  - In Dovecot before 2.3.11.3, sending a specially formatted NTLM request will crash the auth service because     of an out-of-bounds read. (CVE-2020-12673)

  - In Dovecot before 2.3.11.3, sending a specially formatted RPA request will crash the auth service because     a length of zero is mishandled. (CVE-2020-12674)

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

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

  - In Dovecot before 2.3.11.3, uncontrolled recursion in     submission, lmtp, and lda allows remote attackers to     cause a denial of service (resource consumption) via a     crafted e-mail message with deeply nested MIME     parts.(CVE-2020-12100)

  - In Dovecot before 2.3.11.3, sending a specially     formatted NTLM request will crash the auth service     because of an out-of-bounds read.(CVE-2020-12673)

  - In Dovecot before 2.3.11.3, sending a specially     formatted RPA request will crash the auth service     because a length of zero is mishandled.(CVE-2020-12674)

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

The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2020:3713 advisory.

  - dovecot: Resource exhaustion via deeply nested MIME parts (CVE-2020-12100)

  - dovecot: Out of bound reads in dovecot NTLM implementation (CVE-2020-12673)

  - dovecot: Crash due to assert in RPA implementation (CVE-2020-12674)

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

The remote NewStart CGSL host, running version MAIN 6.02, has dovecot packages installed that are affected by multiple vulnerabilities:

  - In Dovecot before 2.3.11.3, uncontrolled recursion in submission, lmtp, and lda allows remote attackers to     cause a denial of service (resource consumption) via a crafted e-mail message with deeply nested MIME     parts. (CVE-2020-12100)

  - In Dovecot before 2.3.11.3, sending a specially formatted NTLM request will crash the auth service because     of an out-of-bounds read. (CVE-2020-12673)

  - In Dovecot before 2.3.11.3, sending a specially formatted RPA request will crash the auth service because     a length of zero is mishandled. (CVE-2020-12674)

Note that Nessus has not tested for this issue 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
145365	openSUSE Security Update : dovecot23 (openSUSE-2021-26)	Nessus	SuSE Local Security Checks	2021/1/25	2024/1/26	medium
140205	Oracle Linux 7 : dovecot (ELSA-2020-3617)	Nessus	Oracle Linux Local Security Checks	2020/9/3	2024/11/1	high
154541	NewStart CGSL CORE 5.05 / MAIN 5.05 : dovecot Multiple Vulnerabilities (NS-SA-2021-0166)	Nessus	NewStart CGSL Local Security Checks	2021/10/27	2023/11/27	high
142277	EulerOS 2.0 SP2 : dovecot (EulerOS-SA-2020-2340)	Nessus	Huawei Local Security Checks	2020/11/3	2024/2/12	high
146040	CentOS 8 : dovecot (CESA-2020:3713)	Nessus	CentOS Local Security Checks	2021/2/1	2024/1/24	high
147240	NewStart CGSL MAIN 6.02 : dovecot Multiple Vulnerabilities (NS-SA-2021-0054)	Nessus	NewStart CGSL Local Security Checks	2021/3/10	2024/1/16	high

偵測

搜尋 Plugin

medium

high

high

high

high

high