Amazon Linux 2 Security Advisory: ALAS-2020-1568
Advisory Release Date: 2020-12-08 20:55 Pacific
Advisory Updated Date: 2020-12-08 22:36 Pacific
A flaw was found in librepo. A directory traversal vulnerability was found where it failed to sanitize paths in remote repository metadata. An attacker controlling a remote repository may be able to copy files outside of the destination directory on the targeted system via path traversal. This flaw could potentially result in system compromise via the overwriting of critical system files. The highest threat from this flaw is to users that make use of untrusted third-party repositories. (CVE-2020-14352)
Affected Packages:
librepo
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 librepo to update your system.
aarch64:
librepo-1.8.1-8.amzn2.aarch64
librepo-devel-1.8.1-8.amzn2.aarch64
python-librepo-1.8.1-8.amzn2.aarch64
librepo-debuginfo-1.8.1-8.amzn2.aarch64
i686:
librepo-1.8.1-8.amzn2.i686
librepo-devel-1.8.1-8.amzn2.i686
python-librepo-1.8.1-8.amzn2.i686
librepo-debuginfo-1.8.1-8.amzn2.i686
src:
librepo-1.8.1-8.amzn2.src
x86_64:
librepo-1.8.1-8.amzn2.x86_64
librepo-devel-1.8.1-8.amzn2.x86_64
python-librepo-1.8.1-8.amzn2.x86_64
librepo-debuginfo-1.8.1-8.amzn2.x86_64