Vulnerability identifier: #VU80026

Vulnerability risk: High

CVSSv3.1: 8.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2020-21722

CWE-ID: CWE-416

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Ogg Video Tools
Client/Desktop applications / Multimedia software

Vendor: Ogg Video Tools

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing ogg files. A remote attacker can trick the victim to open a specially crafted file, trigger a use-after-free error and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

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

Vulnerable software versions

Ogg Video Tools: 0.5 - 0.9.1

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External links
http://github.com/xiaoxiongwang/security/tree/master/oggvideotools#segv-and-heap-use-after-free-detected-in-line-17-of-streamextractorcpp
http://sourceforge.net/p/oggvideotools/bugs/11/

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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.