A libarchive security update has been released for SUSE Linux Enterprise and openSUSE Leap 15.4.

SUSE-SU-2022:3936-1: moderate: Security update for libarchive

SUSE Security Update: Security update for libarchive
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Announcement ID: SUSE-SU-2022:3936-1
Rating: moderate
References: #1192426 #1192427
Cross-References: 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-SP4SUSE Manager Proxy 4.3
SUSE Manager Retail Branch Server 4.3
SUSE Manager Server 4.3
openSUSE Leap 15.4
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An update that solves one vulnerability and has one errata is now available.

Description:

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
- SUSE Linux Enterprise Micro 5.3:

zypper in -t patch SUSE-SLE-Micro-5.3-2022-3936=1


Package List:

- openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64):

bsdtar-3.5.1-150400.3.9.1
bsdtar-debuginfo-3.5.1-150400.3.9.1
libarchive-debugsource-3.5.1-150400.3.9.1
libarchive-devel-3.5.1-150400.3.9.1
libarchive13-3.5.1-150400.3.9.1
libarchive13-debuginfo-3.5.1-150400.3.9.1

- openSUSE Leap 15.4 (x86_64):

libarchive13-32bit-3.5.1-150400.3.9.1
libarchive13-32bit-debuginfo-3.5.1-150400.3.9.1

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

bsdtar-3.5.1-150400.3.9.1
bsdtar-debuginfo-3.5.1-150400.3.9.1
libarchive-debugsource-3.5.1-150400.3.9.1

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

libarchive-debugsource-3.5.1-150400.3.9.1
libarchive-devel-3.5.1-150400.3.9.1
libarchive13-3.5.1-150400.3.9.1
libarchive13-debuginfo-3.5.1-150400.3.9.1

- SUSE Linux Enterprise Micro 5.3 (aarch64 s390x x86_64):
libarchive-debugsource-3.5.1-150400.3.9.1
libarchive13-3.5.1-150400.3.9.1
libarchive13-debuginfo-3.5.1-150400.3.9.1

References:

  https://www.suse.com/security/cve/CVE-2021-31566.html
  https://bugzilla.suse.com/1192426
  https://bugzilla.suse.com/1192427