SUSE-SU-2021:0028-1: important: Security update for dovecot23

[sle-security-updates at lists.suse.com]

   SUSE Security Update: Security update for dovecot23
______________________________________________________________________________

Announcement ID:    SUSE-SU-2021:0028-1
Rating:             important
References:         #1174920 #1174922 #1174923 #1180405 #1180406 
                    
Cross-References:   CVE-2020-12100 CVE-2020-12673 CVE-2020-12674
                    CVE-2020-24386 CVE-2020-25275
Affected Products:
                    SUSE Linux Enterprise Module for Server Applications 15-SP2
______________________________________________________________________________

   An update that fixes 5 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-2020-12673: Fixed an improper implementation of NTLM that did not
     check the message buffer size (bsc#1174922).
   - CVE-2020-12674: Fixed an improper implementation of the RPA mechanism
     (bsc#1174923).
   - 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-SP2:

      zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP2-2021-28=1



Package List:

   - SUSE Linux Enterprise Module for Server Applications 15-SP2 (aarch64 ppc64le s390x x86_64):

      dovecot23-2.3.11.3-17.5.1
      dovecot23-backend-mysql-2.3.11.3-17.5.1
      dovecot23-backend-mysql-debuginfo-2.3.11.3-17.5.1
      dovecot23-backend-pgsql-2.3.11.3-17.5.1
      dovecot23-backend-pgsql-debuginfo-2.3.11.3-17.5.1
      dovecot23-backend-sqlite-2.3.11.3-17.5.1
      dovecot23-backend-sqlite-debuginfo-2.3.11.3-17.5.1
      dovecot23-debuginfo-2.3.11.3-17.5.1
      dovecot23-debugsource-2.3.11.3-17.5.1
      dovecot23-devel-2.3.11.3-17.5.1
      dovecot23-fts-2.3.11.3-17.5.1
      dovecot23-fts-debuginfo-2.3.11.3-17.5.1
      dovecot23-fts-lucene-2.3.11.3-17.5.1
      dovecot23-fts-lucene-debuginfo-2.3.11.3-17.5.1
      dovecot23-fts-solr-2.3.11.3-17.5.1
      dovecot23-fts-solr-debuginfo-2.3.11.3-17.5.1
      dovecot23-fts-squat-2.3.11.3-17.5.1
      dovecot23-fts-squat-debuginfo-2.3.11.3-17.5.1


References:

   https://www.suse.com/security/cve/CVE-2020-12100.html
   https://www.suse.com/security/cve/CVE-2020-12673.html
   https://www.suse.com/security/cve/CVE-2020-12674.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/1174922
   https://bugzilla.suse.com/1174923
   https://bugzilla.suse.com/1180405
   https://bugzilla.suse.com/1180406