Link Following Affecting libarchive package, versions *


Severity

Recommended
low

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.06% (27th percentile)

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  • Snyk IDSNYK-UBUNTU1804-LIBARCHIVE-2326099
  • published25 Dec 2021
  • disclosed23 Aug 2022

Introduced: 25 Dec 2021

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

How to fix?

There is no fixed version for Ubuntu:18.04 libarchive.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libarchive package and not the libarchive package as distributed by Ubuntu. See How to fix? for Ubuntu:18.04 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 Scores

version 3.1