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SUSE MicroOS 5.0: 2021:0948-1 Moderate: zstd Race Condition

suse
Calendar Grey March 24, 2021
Scroller Suse Esm H88
SUSE Security Update tackles multiple vulnerabilities in the zstd library, enhancing safeguards against possible exploits.
An update that fixes two vulnerabilities is now available

Summary

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 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 MicroOS 5.0: zypper in -t patch SUSE-SUSE-MicroOS-5.0-2021-948=1 - SUSE Linux Enterprise Module for Basesystem 15-SP2: zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2021-948=1 Package List: - SUSE MicroOS 5.0 (aarch64 x86_64): libzstd1-1.4.4-1.6.1 libzstd1-debuginfo-1.4.4-1.6.1

Topics%20covered

Topics Covered

security advisory moderate race condition file access zstd SUSE MicroOS

References

#1183370 #1183371

Cross- CVE-2021-24031 CVE-2021-24032

CVSS scores:

CVE-2021-24031 (NVD) : 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

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-2021-24032 (NVD) : 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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

Affected Products:

SUSE MicroOS 5.0

SUSE Linux Enterprise Module for Basesystem 15-SP2

https://www.suse.com/security/cve/CVE-2021-24031.html

https://www.suse.com/security/cve/CVE-2021-24032.html

https://bugzilla.suse.com/1183370

https://bugzilla.suse.com/1183371

Announcement ID: SUSE-SU-2021:0948-1
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate race condition file access zstd SUSE MicroOS

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