#VU27028 Path traversal in file-roller - CVE-2020-11736

Vulnerability identifier: #VU27028

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-11736

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
file-roller
Client/Desktop applications / Software for archiving

Vendor: Gnome Development Team

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in "fr-archive-libarchive.c" file. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

file-roller: 3.0.0 - 3.36.1

---

External links
https://gitlab.gnome.org/GNOME/file-roller/-/commit/21dfcdbfe258984db89fb65243a1a888924e45a0
https://lists.debian.org/debian-lts-announce/2020/04/msg00013.html

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.