Amazon Linux 2 Security Advisory: ALAS-2023-2374
Advisory Release Date: 2023-11-29 22:20 Pacific
Advisory Updated Date: 2023-12-04 21:45 Pacific
Severity:
Medium
Issue Overview:
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. (CVE-2021-31566)
Affected Packages:
libarchive
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update libarchive to update your system.
New Packages:
aarch64:
libarchive-3.1.2-14.amzn2.0.3.aarch64
libarchive-devel-3.1.2-14.amzn2.0.3.aarch64
bsdtar-3.1.2-14.amzn2.0.3.aarch64
bsdcpio-3.1.2-14.amzn2.0.3.aarch64
libarchive-debuginfo-3.1.2-14.amzn2.0.3.aarch64
i686:
libarchive-3.1.2-14.amzn2.0.3.i686
libarchive-devel-3.1.2-14.amzn2.0.3.i686
bsdtar-3.1.2-14.amzn2.0.3.i686
bsdcpio-3.1.2-14.amzn2.0.3.i686
libarchive-debuginfo-3.1.2-14.amzn2.0.3.i686
src:
libarchive-3.1.2-14.amzn2.0.3.src
x86_64:
libarchive-3.1.2-14.amzn2.0.3.x86_64
libarchive-devel-3.1.2-14.amzn2.0.3.x86_64
bsdtar-3.1.2-14.amzn2.0.3.x86_64
bsdcpio-3.1.2-14.amzn2.0.3.x86_64
libarchive-debuginfo-3.1.2-14.amzn2.0.3.x86_64