Ubuntu update for file-roller

1) Path traversal

EUVDB-ID: #VU27028

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-11736

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

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

Update the affected package file-roller to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 19.10

file-roller (Ubuntu package): before 3.32.2-1ubuntu0.1

External links

http://ubuntu.com/security/notices/USN-4332-1

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.