SUSE Security Update: Security update for zsh
______________________________________________________________________________

Announcement ID:    SUSE-SU-2022:0735-1
Rating:             important
References:         #1163882 #1196435 
Cross-References:   CVE-2019-20044 CVE-2021-45444
CVSS scores:
                    CVE-2019-20044 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
                    CVE-2019-20044 (SUSE): 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
                    CVE-2021-45444 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
                    CVE-2021-45444 (SUSE): 7 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Products:
                    SUSE CaaS Platform 4.0
                    SUSE Enterprise Storage 6
                    SUSE Enterprise Storage 7
                    SUSE Linux Enterprise Desktop 15-SP3
                    SUSE Linux Enterprise Desktop 15-SP4
                    SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS
                    SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS
                    SUSE Linux Enterprise High Performance Computing 15-SP2-ESPOS
                    SUSE Linux Enterprise High Performance Computing 15-SP2-LTSS
                    SUSE Linux Enterprise High Performance Computing 15-SP3
                    SUSE Linux Enterprise High Performance Computing 15-SP4
                    SUSE Linux Enterprise Module for Basesystem 15-SP3
                    SUSE Linux Enterprise Module for Basesystem 15-SP4
                    SUSE Linux Enterprise Realtime Extension 15-SP2
                    SUSE Linux Enterprise Server 15-SP1-BCL
                    SUSE Linux Enterprise Server 15-SP1-LTSS
                    SUSE Linux Enterprise Server 15-SP2-BCL
                    SUSE Linux Enterprise Server 15-SP2-LTSS
                    SUSE Linux Enterprise Server 15-SP3
                    SUSE Linux Enterprise Server 15-SP4
                    SUSE Linux Enterprise Server for SAP 15-SP1
                    SUSE Linux Enterprise Server for SAP 15-SP2
                    SUSE Linux Enterprise Server for SAP Applications 15-SP3
                    SUSE Linux Enterprise Server for SAP Applications 15-SP4
                    SUSE Manager Proxy 4.1
                    SUSE Manager Proxy 4.2
                    SUSE Manager Retail Branch Server 4.1
                    SUSE Manager Server 4.1
                    SUSE Manager Server 4.2
______________________________________________________________________________

   An update that fixes two vulnerabilities is now available.

Description:

   This update for zsh fixes the following issues:

   - CVE-2021-45444: Fixed a vulnerability where arbitrary shell commands
     could be executed related to prompt expansion (bsc#1196435).
   - CVE-2019-20044: Fixed a vulnerability where shell privileges would not
     be properly dropped when unsetting the PRIVILEGED option (bsc#1163882).


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 Manager Server 4.1:

      zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Server-4.1-2022-735=1

   - SUSE Manager Retail Branch Server 4.1:

      zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Retail-Branch-Server-4.1-2022-735=1

   - SUSE Manager Proxy 4.1:

      zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Proxy-4.1-2022-735=1

   - SUSE Linux Enterprise Server for SAP 15-SP2:

      zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP2-2022-735=1

   - SUSE Linux Enterprise Server for SAP 15-SP1:

      zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP1-2022-735=1

   - SUSE Linux Enterprise Server 15-SP2-LTSS:

      zypper in -t patch SUSE-SLE-Product-SLES-15-SP2-LTSS-2022-735=1

   - SUSE Linux Enterprise Server 15-SP2-BCL:

      zypper in -t patch SUSE-SLE-Product-SLES-15-SP2-BCL-2022-735=1

   - SUSE Linux Enterprise Server 15-SP1-LTSS:

      zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-LTSS-2022-735=1

   - SUSE Linux Enterprise Server 15-SP1-BCL:

      zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-BCL-2022-735=1

   - SUSE Linux Enterprise Realtime Extension 15-SP2:

      zypper in -t patch SUSE-SLE-Product-RT-15-SP2-2022-735=1

   - SUSE Linux Enterprise Module for Basesystem 15-SP4:

      zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP4-2022-735=1

   - SUSE Linux Enterprise Module for Basesystem 15-SP3:

      zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP3-2022-735=1

   - SUSE Linux Enterprise High Performance Computing 15-SP2-LTSS:

      zypper in -t patch SUSE-SLE-Product-HPC-15-SP2-LTSS-2022-735=1

   - SUSE Linux Enterprise High Performance Computing 15-SP2-ESPOS:

      zypper in -t patch SUSE-SLE-Product-HPC-15-SP2-ESPOS-2022-735=1

   - SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS:

      zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-LTSS-2022-735=1

   - SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS:

      zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-ESPOS-2022-735=1

   - SUSE Enterprise Storage 7:

      zypper in -t patch SUSE-Storage-7-2022-735=1

   - SUSE Enterprise Storage 6:

      zypper in -t patch SUSE-Storage-6-2022-735=1

   - SUSE CaaS Platform 4.0:

      To install this update, use the SUSE CaaS Platform 'skuba' tool. It
      will inform you if it detects new updates and let you then trigger
      updating of the complete cluster in a controlled way.



Package List:

   - SUSE Manager Server 4.1 (ppc64le s390x x86_64):

      zsh-5.6-7.5.1
      zsh-debuginfo-5.6-7.5.1
      zsh-debugsource-5.6-7.5.1

   - SUSE Manager Retail Branch Server 4.1 (x86_64):

      zsh-5.6-7.5.1
      zsh-debuginfo-5.6-7.5.1
      zsh-debugsource-5.6-7.5.1

   - SUSE Manager Proxy 4.1 (x86_64):

      zsh-5.6-7.5.1
      zsh-debuginfo-5.6-7.5.1
      zsh-debugsource-5.6-7.5.1

   - SUSE Linux Enterprise Server for SAP 15-SP2 (ppc64le x86_64):

      zsh-5.6-7.5.1
      zsh-debuginfo-5.6-7.5.1
      zsh-debugsource-5.6-7.5.1

   - SUSE Linux Enterprise Server for SAP 15-SP1 (ppc64le x86_64):

      zsh-5.6-7.5.1
      zsh-debuginfo-5.6-7.5.1
      zsh-debugsource-5.6-7.5.1

   - SUSE Linux Enterprise Server 15-SP2-LTSS (aarch64 ppc64le s390x x86_64):

      zsh-5.6-7.5.1
      zsh-debuginfo-5.6-7.5.1
      zsh-debugsource-5.6-7.5.1

   - SUSE Linux Enterprise Server 15-SP2-BCL (x86_64):

      zsh-5.6-7.5.1
      zsh-debuginfo-5.6-7.5.1
      zsh-debugsource-5.6-7.5.1

   - SUSE Linux Enterprise Server 15-SP1-LTSS (aarch64 ppc64le s390x x86_64):

      zsh-5.6-7.5.1
      zsh-debuginfo-5.6-7.5.1
      zsh-debugsource-5.6-7.5.1

   - SUSE Linux Enterprise Server 15-SP1-BCL (x86_64):

      zsh-5.6-7.5.1
      zsh-debuginfo-5.6-7.5.1
      zsh-debugsource-5.6-7.5.1

   - SUSE Linux Enterprise Realtime Extension 15-SP2 (x86_64):

      zsh-5.6-7.5.1
      zsh-debuginfo-5.6-7.5.1
      zsh-debugsource-5.6-7.5.1

   - SUSE Linux Enterprise Module for Basesystem 15-SP4 (aarch64 ppc64le s390x x86_64):

      zsh-5.6-7.5.1
      zsh-debuginfo-5.6-7.5.1
      zsh-debugsource-5.6-7.5.1

   - SUSE Linux Enterprise Module for Basesystem 15-SP3 (aarch64 ppc64le s390x x86_64):

      zsh-5.6-7.5.1
      zsh-debuginfo-5.6-7.5.1
      zsh-debugsource-5.6-7.5.1

   - SUSE Linux Enterprise High Performance Computing 15-SP2-LTSS (aarch64 x86_64):

      zsh-5.6-7.5.1
      zsh-debuginfo-5.6-7.5.1
      zsh-debugsource-5.6-7.5.1

   - SUSE Linux Enterprise High Performance Computing 15-SP2-ESPOS (aarch64 x86_64):

      zsh-5.6-7.5.1
      zsh-debuginfo-5.6-7.5.1
      zsh-debugsource-5.6-7.5.1

   - SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS (aarch64 x86_64):

      zsh-5.6-7.5.1
      zsh-debuginfo-5.6-7.5.1
      zsh-debugsource-5.6-7.5.1

   - SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS (aarch64 x86_64):

      zsh-5.6-7.5.1
      zsh-debuginfo-5.6-7.5.1
      zsh-debugsource-5.6-7.5.1

   - SUSE Enterprise Storage 7 (aarch64 x86_64):

      zsh-5.6-7.5.1
      zsh-debuginfo-5.6-7.5.1
      zsh-debugsource-5.6-7.5.1

   - SUSE Enterprise Storage 6 (aarch64 x86_64):

      zsh-5.6-7.5.1
      zsh-debuginfo-5.6-7.5.1
      zsh-debugsource-5.6-7.5.1

   - SUSE CaaS Platform 4.0 (x86_64):

      zsh-5.6-7.5.1
      zsh-debuginfo-5.6-7.5.1
      zsh-debugsource-5.6-7.5.1


References:

   https://www.suse.com/security/cve/CVE-2019-20044.html
   https://www.suse.com/security/cve/CVE-2021-45444.html
   https://bugzilla.suse.com/1163882
   https://bugzilla.suse.com/1196435