Path traversal when extracting archives in KDE Ark

1) Path traversal

EUVDB-ID: #VU32924

Risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-16116

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 within the archive. A remote attacker can create a specially crafted archive, trick the victim into extracting files from it and overwrite arbitrary files on the system with privileges of the current user.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

ark: 20.03.80 - 20.07.80

CPE2.3

• cpe:2.3:a:kde_org:ark:20.03.80:*:*:*:*:*:*:*
• cpe:2.3:a:kde_org:ark:20.03.90:*:*:*:*:*:*:*
• cpe:2.3:a:kde_org:ark:20.04.0:*:*:*:*:*:*:*

External links

http://kde.org/info/security/advisory-20200730-1.txt

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.