Link Following Affecting libarchive package, versions <0:3.3.3-3.el8_5
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Test your applications- Snyk ID SNYK-ORACLE8-LIBARCHIVE-2604049
- published 10 Apr 2022
- disclosed 23 Aug 2022
Introduced: 10 Apr 2022
CVE-2021-23177 Open this link in a new tabHow to fix?
Upgrade Oracle:8 libarchive to version 0:3.3.3-3.el8_5 or higher.
This issue was patched in ELSA-2022-0892.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libarchive package and not the libarchive package as distributed by Oracle.
See How to fix? for Oracle:8 relevant fixed versions and status.
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.
References
- https://linux.oracle.com/cve/CVE-2021-23177.html
- https://linux.oracle.com/errata/ELSA-2022-0892.html
- https://access.redhat.com/security/cve/CVE-2021-23177
- https://bugzilla.redhat.com/show_bug.cgi?id=2024245
- https://github.com/libarchive/libarchive/commit/fba4f123cc456d2b2538f811bb831483bf336bad
- https://github.com/libarchive/libarchive/issues/1565
- https://lists.debian.org/debian-lts-announce/2022/11/msg00030.html