Security update for dovecot23

Announcement ID: SUSE-SU-2021:0028-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2020-12100 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2020-12100 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2020-12673 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2020-12673 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2020-12674 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2020-12674 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2020-24386 ( SUSE ): 8.2 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
  • CVE-2020-24386 ( NVD ): 6.8 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
  • CVE-2020-25275 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2020-25275 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products:
  • Server Applications Module 15-SP2
  • SUSE Linux Enterprise High Performance Computing 15 SP2
  • SUSE Linux Enterprise Real Time 15 SP2
  • SUSE Linux Enterprise Server 15 SP2
  • SUSE Linux Enterprise Server 15 SP2 Business Critical Linux 15-SP2
  • SUSE Linux Enterprise Server for SAP Applications 15 SP2
  • SUSE Manager Proxy 4.1
  • SUSE Manager Retail Branch Server 4.1
  • SUSE Manager Server 4.1

An update that solves five vulnerabilities can now be installed.

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 update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

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

Package List:

  • Server Applications Module 15-SP2 (aarch64 ppc64le s390x x86_64)
    • dovecot23-fts-solr-debuginfo-2.3.11.3-17.5.1
    • dovecot23-backend-mysql-2.3.11.3-17.5.1
    • dovecot23-fts-debuginfo-2.3.11.3-17.5.1
    • dovecot23-fts-2.3.11.3-17.5.1
    • dovecot23-debuginfo-2.3.11.3-17.5.1
    • dovecot23-fts-solr-2.3.11.3-17.5.1
    • dovecot23-fts-squat-2.3.11.3-17.5.1
    • dovecot23-debugsource-2.3.11.3-17.5.1
    • dovecot23-backend-pgsql-2.3.11.3-17.5.1
    • dovecot23-backend-sqlite-debuginfo-2.3.11.3-17.5.1
    • dovecot23-backend-pgsql-debuginfo-2.3.11.3-17.5.1
    • dovecot23-2.3.11.3-17.5.1
    • dovecot23-fts-squat-debuginfo-2.3.11.3-17.5.1
    • dovecot23-backend-sqlite-2.3.11.3-17.5.1
    • dovecot23-backend-mysql-debuginfo-2.3.11.3-17.5.1
    • dovecot23-fts-lucene-debuginfo-2.3.11.3-17.5.1
    • dovecot23-devel-2.3.11.3-17.5.1
    • dovecot23-fts-lucene-2.3.11.3-17.5.1

References: