Security update for postfix

Announcement ID: SUSE-SU-2023:4981-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2023-51764 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
  • CVE-2023-51764 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Affected Products:
  • Basesystem Module 15-SP5
  • Legacy Module 15-SP5
  • openSUSE Leap 15.5
  • Server Applications Module 15-SP5
  • SUSE Linux Enterprise Desktop 15 SP5
  • SUSE Linux Enterprise High Performance Computing 15 SP5
  • SUSE Linux Enterprise Real Time 15 SP5
  • SUSE Linux Enterprise Server 15 SP5
  • SUSE Linux Enterprise Server for SAP Applications 15 SP5

An update that solves one vulnerability and has one security fix can now be installed.

Description:

This update for postfix fixes the following issues:

  • CVE-2023-51764: Fixed new SMTP smuggling attack (bsc#1218304).

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:

  • openSUSE Leap 15.5
    zypper in -t patch SUSE-2023-4981=1 openSUSE-SLE-15.5-2023-4981=1
  • Basesystem Module 15-SP5
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP5-2023-4981=1
  • Legacy Module 15-SP5
    zypper in -t patch SUSE-SLE-Module-Legacy-15-SP5-2023-4981=1
  • Server Applications Module 15-SP5
    zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP5-2023-4981=1

Package List:

  • openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64 i586)
    • postfix-mysql-3.7.3-150500.3.11.1
    • postfix-ldap-3.7.3-150500.3.11.1
    • postfix-bdb-lmdb-debuginfo-3.7.3-150500.3.11.1
    • postfix-bdb-debuginfo-3.7.3-150500.3.11.1
    • postfix-postgresql-3.7.3-150500.3.11.1
    • postfix-debuginfo-3.7.3-150500.3.11.1
    • postfix-mysql-debuginfo-3.7.3-150500.3.11.1
    • postfix-3.7.3-150500.3.11.1
    • postfix-bdb-lmdb-3.7.3-150500.3.11.1
    • postfix-debugsource-3.7.3-150500.3.11.1
    • postfix-postgresql-debuginfo-3.7.3-150500.3.11.1
    • postfix-devel-3.7.3-150500.3.11.1
    • postfix-ldap-debuginfo-3.7.3-150500.3.11.1
    • postfix-bdb-debugsource-3.7.3-150500.3.11.1
    • postfix-bdb-3.7.3-150500.3.11.1
  • openSUSE Leap 15.5 (noarch)
    • postfix-doc-3.7.3-150500.3.11.1
  • Basesystem Module 15-SP5 (aarch64 ppc64le s390x x86_64)
    • postfix-ldap-3.7.3-150500.3.11.1
    • postfix-debuginfo-3.7.3-150500.3.11.1
    • postfix-3.7.3-150500.3.11.1
    • postfix-debugsource-3.7.3-150500.3.11.1
    • postfix-devel-3.7.3-150500.3.11.1
    • postfix-ldap-debuginfo-3.7.3-150500.3.11.1
  • Basesystem Module 15-SP5 (noarch)
    • postfix-doc-3.7.3-150500.3.11.1
  • Legacy Module 15-SP5 (aarch64 ppc64le s390x x86_64)
    • postfix-bdb-lmdb-debuginfo-3.7.3-150500.3.11.1
    • postfix-bdb-debuginfo-3.7.3-150500.3.11.1
    • postfix-bdb-lmdb-3.7.3-150500.3.11.1
    • postfix-bdb-debugsource-3.7.3-150500.3.11.1
    • postfix-bdb-3.7.3-150500.3.11.1
  • Server Applications Module 15-SP5 (aarch64 ppc64le s390x x86_64)
    • postfix-mysql-3.7.3-150500.3.11.1
    • postfix-debugsource-3.7.3-150500.3.11.1
    • postfix-debuginfo-3.7.3-150500.3.11.1
    • postfix-mysql-debuginfo-3.7.3-150500.3.11.1

References: