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CVE-2021-23177

Published: Aug 23, 2022

Modified: Aug 3, 2024

PUBLISHED

Description

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.

Vendor	Product	Versions
n/a	libarchive	affected `Fixed in libarchive 3.5.2`

Weaknesses (CWE)

References

https://github.com/libarchive/libarchive/issues/1565

https://github.com/libarchive/libarchive/commit/fba4f123cc456d2b2538f811bb831483bf336bad

https://bugzilla.redhat.com/show_bug.cgi?id=2024245

https://access.redhat.com/security/cve/CVE-2021-23177

[debian-lts-announce] 20221122 [SECURITY] [DLA 3202-1] libarchive security update

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