Security update for zsh

Announcement ID:	SUSE-SU-2022:0733-1
Rating:	important
References:	bsc#1089030 bsc#1163882 bsc#1196435
Cross-References:	CVE-2018-1100 CVE-2019-20044 CVE-2021-45444
CVSS scores:	CVE-2018-1100 ( SUSE ): 7.5 CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H CVE-2018-1100 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2018-1100 ( NVD ): 7.8 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2019-20044 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H 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-2021-45444 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/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
Affected Products:	HPE Helion OpenStack 8 SUSE Linux Enterprise High Performance Computing 12 SP2 SUSE Linux Enterprise High Performance Computing 12 SP3 SUSE Linux Enterprise High Performance Computing 12 SP4 SUSE Linux Enterprise High Performance Computing 12 SP5 SUSE Linux Enterprise Server 12 SP2 SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2 SUSE Linux Enterprise Server 12 SP3 SUSE Linux Enterprise Server 12 SP3 BCL 12-SP3 SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3 SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3 SUSE Linux Enterprise Server 12 SP4 SUSE Linux Enterprise Server 12 SP4 ESPOS 12-SP4 SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4 SUSE Linux Enterprise Server 12 SP5 SUSE Linux Enterprise Server for SAP Applications 12 SP3 SUSE Linux Enterprise Server for SAP Applications 12 SP4 SUSE Linux Enterprise Server for SAP Applications 12 SP5 SUSE OpenStack Cloud 8 SUSE OpenStack Cloud 9 SUSE OpenStack Cloud Crowbar 8 SUSE OpenStack Cloud Crowbar 9

An update that solves three vulnerabilities can now be installed.

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).
• CVE-2018-1100: Fixed a potential code execution via a stack-based buffer overflow in utils.c:checkmailpath() (bsc#1089030).

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:

• HPE Helion OpenStack 8
  zypper in -t patch HPE-Helion-OpenStack-8-2022-733=1
• SUSE OpenStack Cloud 8
  zypper in -t patch SUSE-OpenStack-Cloud-8-2022-733=1
• SUSE OpenStack Cloud 9
  zypper in -t patch SUSE-OpenStack-Cloud-9-2022-733=1
• SUSE OpenStack Cloud Crowbar 8
  zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-8-2022-733=1
• SUSE OpenStack Cloud Crowbar 9
  zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-9-2022-733=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP3
  zypper in -t patch SUSE-SLE-SAP-12-SP3-2022-733=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP4
  zypper in -t patch SUSE-SLE-SAP-12-SP4-2022-733=1
• SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2
  zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2022-733=1
• SUSE Linux Enterprise Server 12 SP3 BCL 12-SP3
  zypper in -t patch SUSE-SLE-SERVER-12-SP3-BCL-2022-733=1
• SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3
  zypper in -t patch SUSE-SLE-SERVER-12-SP3-ESPOS-2022-733=1
• SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3
  zypper in -t patch SUSE-SLE-SERVER-12-SP3-2022-733=1
• SUSE Linux Enterprise Server 12 SP4 ESPOS 12-SP4
  zypper in -t patch SUSE-SLE-SERVER-12-SP4-ESPOS-2022-733=1
• SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4
  zypper in -t patch SUSE-SLE-SERVER-12-SP4-LTSS-2022-733=1
• SUSE Linux Enterprise High Performance Computing 12 SP5
  zypper in -t patch SUSE-SLE-SERVER-12-SP5-2022-733=1
• SUSE Linux Enterprise Server 12 SP5
  zypper in -t patch SUSE-SLE-SERVER-12-SP5-2022-733=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP5
  zypper in -t patch SUSE-SLE-SERVER-12-SP5-2022-733=1

Package List:

• HPE Helion OpenStack 8 (x86_64)
  • zsh-debugsource-5.0.5-6.19.1
  • zsh-5.0.5-6.19.1
  • zsh-debuginfo-5.0.5-6.19.1
• SUSE OpenStack Cloud 8 (x86_64)
  • zsh-debugsource-5.0.5-6.19.1
  • zsh-5.0.5-6.19.1
  • zsh-debuginfo-5.0.5-6.19.1
• SUSE OpenStack Cloud 9 (x86_64)
  • zsh-debugsource-5.0.5-6.19.1
  • zsh-5.0.5-6.19.1
  • zsh-debuginfo-5.0.5-6.19.1
• SUSE OpenStack Cloud Crowbar 8 (x86_64)
  • zsh-debugsource-5.0.5-6.19.1
  • zsh-5.0.5-6.19.1
  • zsh-debuginfo-5.0.5-6.19.1
• SUSE OpenStack Cloud Crowbar 9 (x86_64)
  • zsh-debugsource-5.0.5-6.19.1
  • zsh-5.0.5-6.19.1
  • zsh-debuginfo-5.0.5-6.19.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP3 (ppc64le x86_64)
  • zsh-debugsource-5.0.5-6.19.1
  • zsh-5.0.5-6.19.1
  • zsh-debuginfo-5.0.5-6.19.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP4 (ppc64le x86_64)
  • zsh-debugsource-5.0.5-6.19.1
  • zsh-5.0.5-6.19.1
  • zsh-debuginfo-5.0.5-6.19.1
• SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2 (x86_64)
  • zsh-debugsource-5.0.5-6.19.1
  • zsh-5.0.5-6.19.1
  • zsh-debuginfo-5.0.5-6.19.1
• SUSE Linux Enterprise Server 12 SP3 BCL 12-SP3 (x86_64)
  • zsh-debugsource-5.0.5-6.19.1
  • zsh-5.0.5-6.19.1
  • zsh-debuginfo-5.0.5-6.19.1
• SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3 (aarch64 x86_64)
  • zsh-debugsource-5.0.5-6.19.1
  • zsh-5.0.5-6.19.1
  • zsh-debuginfo-5.0.5-6.19.1
• SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3 (aarch64 ppc64le s390x x86_64)
  • zsh-debugsource-5.0.5-6.19.1
  • zsh-5.0.5-6.19.1
  • zsh-debuginfo-5.0.5-6.19.1
• SUSE Linux Enterprise Server 12 SP4 ESPOS 12-SP4 (aarch64 x86_64)
  • zsh-debugsource-5.0.5-6.19.1
  • zsh-5.0.5-6.19.1
  • zsh-debuginfo-5.0.5-6.19.1
• SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4 (aarch64 ppc64le s390x x86_64)
  • zsh-debugsource-5.0.5-6.19.1
  • zsh-5.0.5-6.19.1
  • zsh-debuginfo-5.0.5-6.19.1
• SUSE Linux Enterprise High Performance Computing 12 SP5 (aarch64 x86_64)
  • zsh-debugsource-5.0.5-6.19.1
  • zsh-5.0.5-6.19.1
  • zsh-debuginfo-5.0.5-6.19.1
• SUSE Linux Enterprise Server 12 SP5 (aarch64 ppc64le s390x x86_64)
  • zsh-debugsource-5.0.5-6.19.1
  • zsh-5.0.5-6.19.1
  • zsh-debuginfo-5.0.5-6.19.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP5 (ppc64le x86_64)
  • zsh-debugsource-5.0.5-6.19.1
  • zsh-5.0.5-6.19.1
  • zsh-debuginfo-5.0.5-6.19.1

References:

• https://www.suse.com/security/cve/CVE-2018-1100.html
• https://www.suse.com/security/cve/CVE-2019-20044.html
• https://www.suse.com/security/cve/CVE-2021-45444.html
• https://bugzilla.suse.com/show_bug.cgi?id=1089030
• https://bugzilla.suse.com/show_bug.cgi?id=1163882
• https://bugzilla.suse.com/show_bug.cgi?id=1196435