#VU96995 Format string error in mpv - CVE-2021-30145

Vulnerability identifier: #VU96995

Vulnerability 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-2021-30145

CWE-ID: CWE-134

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
mpv
Client/Desktop applications / Multimedia software

Vendor: mpv-player

Description

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

The vulnerability exists due to a format string error when parsing m3u playlist files. A remote attacker can supply a specially crafted file that contains format string specifiers and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

mpv: 0.1 - 0.33.0

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External links
https://devel0pment.de/?p=2217
https://github.com/mpv-player/mpv/releases/tag/v0.33.1
https://github.com/mpv-player/mpv/commit/d0c530919d8cd4d7a774e38ab064e0fabdae34e6
https://security.gentoo.org/glsa/202107-46

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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.