CVE-2021-23177
- State
- Published
- Severity
- Not scored
- Published
- Aug 23, 2022
- Updated
- Aug 3, 2024
- Reserved
- Dec 16, 2021
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.
Scores
The record has no CVSS score.
Weaknesses
- CWE-59 Improper Link Resolution Before File Access ('Link Following')
Affected Products
| Product | Versions |
|---|---|
libarchiven/a |
|
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 updatemailing-list
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