Link Following Affecting libarchive13 package, versions <3.5.1-150400.3.6.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.39% (32nd percentile)

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  • Snyk IDSNYK-SLES154-LIBARCHIVE13-3027384
  • published20 Sept 2022
  • disclosed19 Sept 2022

Introduced: 19 Sep 2022

CVE-2021-23177  (opens in a new tab)
CWE-59  (opens in a new tab)

How to fix?

Upgrade SLES:15.4 libarchive13 to version 3.5.1-150400.3.6.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libarchive13 package and not the libarchive13 package as distributed by SLES. See How to fix? for SLES:15.4 relevant fixed versions and status.

An improper link resolution flaw while extracting an archive can lead to changing the access control list (ACL) of the target of the link. An attacker may provide a malicious archive to a victim user, who would trigger this flaw when trying to extract the archive. A local attacker may use this flaw to change the ACL of a file on the system and gain more privileges.

CVSS Base Scores

version 3.1