Use After Free Affecting bsdtar package, versions <3.4.2-150200.4.3.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
2.85% (85th percentile)

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  • Snyk IDSNYK-SLES152-BSDTAR-3311967
  • published7 Feb 2023
  • disclosed31 Jan 2023

Introduced: 31 Jan 2023

CVE-2021-36976  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade SLES:15.2 bsdtar to version 3.4.2-150200.4.3.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream bsdtar package and not the bsdtar package as distributed by SLES. See How to fix? for SLES:15.2 relevant fixed versions and status.

libarchive 3.4.1 through 3.5.1 has a use-after-free in copy_string (called from do_uncompress_block and process_block).

CVSS Base Scores

version 3.1