Vulnerability identifier: #VU80028

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-2020-21724

CWE-ID: CWE-787

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 boundary error within the ExtractorInformation() function in streamExtractor.cpp. A remote attacker can create a specially crafted .ogg file, trick the victim into opening it using the affected software, trigger an out-of-bounds write and execute arbitrary code on the target 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://sourceforge.net/p/oggvideotools/bugs/9/
http://github.com/xiaoxiongwang/security/tree/master/oggvideotools#segv-and-heap-overflow-detected-in-line-17-of-streamextractorcpp

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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.