Security update for zstd

Announcement ID: SUSE-SU-2021:0948-1
Rating: moderate
References:
Cross-References:
CVSS scores:
  • CVE-2021-24031 ( SUSE ): 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  • CVE-2021-24031 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  • CVE-2021-24032 ( SUSE ): 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  • CVE-2021-24032 ( NVD ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected Products:
  • Basesystem Module 15-SP2
  • SUSE Linux Enterprise Desktop 15 SP2
  • SUSE Linux Enterprise High Performance Computing 15 SP2
  • SUSE Linux Enterprise Micro 5.0
  • SUSE Linux Enterprise Real Time 15 SP2
  • SUSE Linux Enterprise Server 15 SP2
  • SUSE Linux Enterprise Server 15 SP2 Business Critical Linux 15-SP2
  • SUSE Linux Enterprise Server for SAP Applications 15 SP2
  • SUSE Manager Proxy 4.1
  • SUSE Manager Retail Branch Server 4.1
  • SUSE Manager Server 4.1

An update that solves two vulnerabilities can now be installed.

Description:

This update for zstd fixes the following issues:

  • CVE-2021-24031: Added read permissions to files while being compressed or uncompressed (bsc#1183371).
  • CVE-2021-24032: Fixed a race condition which could have allowed an attacker to access world-readable destination file (bsc#1183370).

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:

  • Basesystem Module 15-SP2
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2021-948=1
  • SUSE Linux Enterprise Micro 5.0
    zypper in -t patch SUSE-SUSE-MicroOS-5.0-2021-948=1

Package List:

  • Basesystem Module 15-SP2 (aarch64 ppc64le s390x x86_64)
    • libzstd1-debuginfo-1.4.4-1.6.1
    • libzstd-devel-1.4.4-1.6.1
    • libzstd1-1.4.4-1.6.1
    • zstd-1.4.4-1.6.1
    • zstd-debuginfo-1.4.4-1.6.1
    • zstd-debugsource-1.4.4-1.6.1
  • Basesystem Module 15-SP2 (x86_64)
    • libzstd1-32bit-debuginfo-1.4.4-1.6.1
    • libzstd1-32bit-1.4.4-1.6.1
  • SUSE Linux Enterprise Micro 5.0 (aarch64 x86_64)
    • libzstd1-debuginfo-1.4.4-1.6.1
    • zstd-debuginfo-1.4.4-1.6.1
    • zstd-debugsource-1.4.4-1.6.1
    • libzstd1-1.4.4-1.6.1

References: