# Security update for squashfs

Announcement ID: SUSE-SU-2023:4424-1  
Rating: important  
References:

  * bsc#1133284
  * bsc#1160294
  * bsc#1189936
  * bsc#1190531
  * bsc#935380

  
Cross-References:

  * CVE-2015-4645
  * CVE-2015-4646
  * CVE-2021-40153
  * CVE-2021-41072

  
CVSS scores:

  * CVE-2015-4645 ( SUSE ):  5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2015-4645 ( NVD ):  5.5 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2015-4646 ( SUSE ):  5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2021-40153 ( SUSE ):  6.6 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
  * CVE-2021-40153 ( NVD ):  8.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
  * CVE-2021-41072 ( SUSE ):  6.6 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
  * CVE-2021-41072 ( NVD ):  8.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H

  
Affected Products:

  * SUSE Linux Enterprise High Performance Computing 12 SP5
  * SUSE Linux Enterprise Server 12 SP5
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5

  
  
An update that solves four vulnerabilities and has one security fix can now be
installed.

## Description:

This update for squashfs fixes the following issues:

  * CVE-2015-4645,CVE-2015-4646: Multiple buffer overflows fixed in squashfs-
    tools (bsc#935380)
  * CVE-2021-40153: Fixed an issue where an attacker might have been able to
    write a file outside of destination (bsc#1189936)
  * CVE-2021-41072: Fixed an issue where an attacker might have been able to
    write a file outside the destination directory via a symlink (bsc#1190531).

## 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:

  * SUSE Linux Enterprise High Performance Computing 12 SP5  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2023-4424=1

  * SUSE Linux Enterprise Server 12 SP5  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2023-4424=1

  * SUSE Linux Enterprise Server for SAP Applications 12 SP5  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2023-4424=1

## Package List:

  * SUSE Linux Enterprise High Performance Computing 12 SP5 (aarch64 x86_64)
    * squashfs-debuginfo-4.6.1-8.3.2
    * squashfs-4.6.1-8.3.2
    * squashfs-debugsource-4.6.1-8.3.2
  * SUSE Linux Enterprise Server 12 SP5 (aarch64 ppc64le s390x x86_64)
    * squashfs-debuginfo-4.6.1-8.3.2
    * squashfs-4.6.1-8.3.2
    * squashfs-debugsource-4.6.1-8.3.2
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5 (ppc64le x86_64)
    * squashfs-debuginfo-4.6.1-8.3.2
    * squashfs-4.6.1-8.3.2
    * squashfs-debugsource-4.6.1-8.3.2

## References:

  * https://www.suse.com/security/cve/CVE-2015-4645.html
  * https://www.suse.com/security/cve/CVE-2015-4646.html
  * https://www.suse.com/security/cve/CVE-2021-40153.html
  * https://www.suse.com/security/cve/CVE-2021-41072.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1133284
  * https://bugzilla.suse.com/show_bug.cgi?id=1160294
  * https://bugzilla.suse.com/show_bug.cgi?id=1189936
  * https://bugzilla.suse.com/show_bug.cgi?id=1190531
  * https://bugzilla.suse.com/show_bug.cgi?id=935380