This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page.
View CVE-2021-31566 →
DEBIAN-CVE-2021-31566
An improper link resolution flaw can occur while extracting an archive leading to changing modes, times, access control lists, and flags of a file out...
Original description
The description as published by the source.
An improper link resolution flaw can occur while extracting an archive leading to changing modes, times, access control lists, and flags of a file outside of the archive. 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 gain more privileges in a system.
Source: OSV.dev (Open Source Vulnerabilities) OSV
Affected packages
Debian:12
libarchive
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.2-1"}]}]
Debian:13
libarchive
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.2-1"}]}]
Debian:14
libarchive
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.2-1"}]}]
References
- advisory security-tracker.debian.org