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SUSE: 2022:3936-1 Moderate: Libarchive DoS Security Update

suse
Calendar Grey November 10, 2022
Dist Suse Esm H88
SUSE has released a patch to tackle a moderate vulnerability found in libarchive, complete with guidance for updating impacted systems.
An update that solves one vulnerability and has one errata is now available

Summary

This update for libarchive fixes the following issues: - CVE-2021-31566: Fixed vulnerability where libarchive modifies file flags of symlink target (bsc#1192426) - Fixed issue where processing fixup entries may follow symbolic links (bsc#1192427). 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: - openSUSE Leap 15.4: zypper in -t patch openSUSE-SLE-15.4-2022-3936=1 - SUSE Linux Enterprise Module for Development Tools 15-SP4: zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP4-2022-3936=1 - SUSE Linux Enterprise Module for Basesystem 15-SP4: zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP4-2022-3936=1

Topics%20covered

Topics Covered

security advisory moderate DoS security fix patching SUSE libarchive

References

#1192426 #1192427

Cross- CVE-2021-31566

CVSS scores:

CVE-2021-31566 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVE-2021-31566 (SUSE): 4.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L

Affected Products:

SUSE Linux Enterprise Desktop 15-SP4

SUSE Linux Enterprise High Performance Computing 15-SP4

SUSE Linux Enterprise Micro 5.3

SUSE Linux Enterprise Module for Basesystem 15-SP4

SUSE Linux Enterprise Module for Development Tools 15-SP4

SUSE Linux Enterprise Server 15-SP4

SUSE Linux Enterprise Server for SAP Applications 15-SP4

SUSE Manager Proxy 4.3

SUSE Manager Retail Branch Server 4.3

SUSE Manager Server 4.3

openSUSE Leap 15.4

https://www.suse.com/security/cve/CVE-2021-31566.html

https://bugzilla.suse.com/1192426

...

Read the Full Advisory

Announcement ID: SUSE-SU-2022:3936-1
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate DoS security fix patching SUSE libarchive

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