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SUSE 15-SP4: 2022:0735-1 Important: zsh Shell Risks Resolved

suse
Calendar Grey March 4, 2022
Dist Suse Esm H88
Patches addressing critical vulnerabilities in zsh released via SUSE update. Comprehensive guidance offered for straightforward implementation.
An update that fixes two vulnerabilities is now available

Summary

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:

Topics%20covered

Topics Covered

security advisory patch important SUSE shell command zsh

References

#1163882 #1196435

Cross- 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 Performan...

Read the Full Advisory

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2022:0735-1
Rating: important

Topics%20covered

Topics Covered

security advisory patch important SUSE shell command zsh

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