Detections
Analytics
CVE-2021-31566
high
Description
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.
References
https://lists.debian.org/debian-lts-announce/2022/11/msg00030.html
https://github.com/libarchive/libarchive/issues/1566
https://github.com/libarchive/libarchive/commit/b41daecb5ccb4c8e3b2c53fd6147109fc12c3043