CVE-2021-28650 Path traversal in n/a
An attacker can exploit a directory traversal vulnerability in the GNOME autoar library to write files outside the intended extraction directory, potentially leading to code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-28650?
CVE-2021-28650 is a medium-severity path traversal vulnerability in Fedoraproject Fedora, published on 17 Mar 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
autoar-extractor.c in GNOME gnome-autoar before 0.3.1, as used by GNOME Shell, Nautilus, and other software, allows Directory Traversal during extraction because it lacks a check of whether a file's parent is a symlink in certain complex situations. NOTE: this issue exists because of an incomplete fix for CVE-2020-36241.
Weakness: CWE-59
Which versions are affected by CVE-2021-28650?
It affects 2 products.
Products include Fedoraproject Fedora, Gnome Gnome-Autoar.
How do I fix CVE-2021-28650?
Upgrade to a fixed version.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2021-28650 being exploited?
There is no known exploitation of CVE-2021-28650 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as CLEANSTART-2023-VJ99222, DEBIAN-CVE-2021-28650, GHSA-7ppq-qp29-rvgj, MGASA-2021-0274, OESA-2021-1188, UBUNTU-CVE-2021-28650 and 1 more.