CVE-2020-11736 Path traversal in n/a
An attacker can exploit directory traversal in GNOME file-roller 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
- A user has to click or open something
- Fix
- Available
What is CVE-2020-11736?
CVE-2020-11736 is a low-severity path traversal vulnerability in Canonical Ubuntu Linux, published on 13 Apr 2020. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
fr-archive-libarchive.c in GNOME file-roller through 3.36.1 allows Directory Traversal during extraction because it lacks a check of whether a file's parent is a symlink to a directory outside of the intended extraction location.
Which versions are affected by CVE-2020-11736?
It affects 3 products.
Linux distribution packages (4)
file-roller SUSE:Linux Enterprise Server 12 SP4 | All versions | 3.20.3-15.6.1 |
file-roller SUSE:Linux Enterprise Server 12 SP5 | All versions | 3.20.3-15.6.1 |
file-roller SUSE:Linux Enterprise Server for SAP Applications 12 SP4 | All versions | 3.20.3-15.6.1 |
file-roller SUSE:Linux Enterprise Server for SAP Applications 12 SP5 | All versions | 3.20.3-15.6.1 |
Products include Canonical Ubuntu Linux, Debian Debian Linux, Gnome File-Roller.
How do I fix CVE-2020-11736?
Apply the vendor's patch.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2020-11736 being exploited?
There is no known exploitation of CVE-2020-11736 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2020-11736, DLA-2180-1, GHSA-jj2q-v22w-qp64, MGASA-2020-0218, OESA-2021-1305, SUSE-SU-2020:1505-1 and 3 more.