#VU26077 Input validation error in Okular


Published: 2020-03-13

Vulnerability identifier: #VU26077

Vulnerability risk: Medium

CVSSv3.1: 6.9 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2020-9359

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Okular
Client/Desktop applications / Office applications

Vendor: Okular

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insufficient validation of user-supplied input when processing links in PDF files in Okular. A remote attacker can trick the victim into opening a specially crafted PDF file and execute certain application on the system.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Okular: 14.11.80 - 19.12.3


External links
http://kde.org/info/security/advisory-20200312-1.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.


Latest bulletins with this vulnerability