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SUSE Linux Enterprise 15-SP1 Security Advisory for Dovecot23 Issues

An update that fixes three vulnerabilities is now available. . SUSE Security Update: Security update for dovecot23 ______________________________________________________________________________ Announcement ID: SUSE-SU-2021:0027-1 Rating: important References: #1174920 #1180405 #1180406 Cross-References: CVE-2020-12100 CVE-2020-24386 CVE-2020-25275 Affected Products: SUSE Linux Enterprise Module for Server Applications 15-SP1 ______________________________________________________________________________ An update that fixes three vulnerabilities is now available. Description: 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. Patch Instructions: To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: - SUSE Linux Enterprise Module for Server Applications 15-SP1: zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP1-2021-27=1 Package List: - SUSE Linux Enterprise Module for Server Applications 15-SP1 (aarch64 ppc64le s390x x86_64): dovecot23-2.3.11.3-21.1 dovecot23-backend-mysql-2.3.11.3-21.1 dovecot23-backend-mysql-debuginfo-2.3.11.3-21.1 dovecot23-backend-pgsql-2.3.11.3-21.1 dovecot23-backend-pgsql-debuginfo-2.3.11.3-21.1 dovecot23-backend-sqlite-2.3.11.3-21.1 dovecot23-backend-sqlite-debuginfo-2.3.11.3-21.1 dovecot23-debuginfo-2.3.11.3-21.1 dovecot23-debugsource-2.3.11.3-21.1 dovecot23-devel-2.3.11.3-21.1 dovecot23-fts-2.3.11.3-21.1 dovecot23-fts-debuginfo-2.3.11.3-21.1 dovecot23-fts-lucene-2.3.11.3-21.1 dovecot23-fts-lucene-debuginfo-2.3.11.3-21.1 dovecot23-fts-solr-2.3.11.3-21.1 dovecot23-fts-solr-debuginfo-2.3.11.3-21.1 dovecot23-fts-squat-2.3.11.3-21.1 dovecot23-fts-squat-debuginfo-2.3.11.3-21.1 References: https://www.suse.com/security/cve/CVE-2020-12100.html https://www.suse.com/security/cve/CVE-2020-24386.html https://www.suse.com/security/cve/CVE-2020-25275.html https://bugzilla.suse.com/1174920 https://bugzilla.suse.com/1180405 https://bugzilla.suse.com/1180406 . An essential patch for dovecot23 addresses multiple vulnerabilities in SUSE Linux, enhancing system safety and resilience.. Dovecot Security Fix, SUSE Update, IMAP Issues, Resource Exhaustion, Software Patch. . Severity: Important. LinuxSecurity.com Team

Jan 05, 2021 •Important SuSE