This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2021-23177 →
Categories
DEBIAN-CVE-2021-23177

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...

Original description

The description as published by the source.

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.

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

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