#VU89302 Off-by-one in FFmpeg - CVE-2024-31585

Vulnerability identifier: #VU89302

Vulnerability risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/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-2024-31585

CWE-ID: CWE-193

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
FFmpeg
Universal components / Libraries / Libraries used by multiple products

Vendor: ffmpeg.sourceforge.net

Description

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

The vulnerability exists due to an off-by-one error in libavfilter/avf_showspectrum.c. A remote attacker can trigger an off-by-one error 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

FFmpeg: All versions

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External links
http://github.com/ffmpeg/ffmpeg/commit/ab0fdaedd1e7224f7e84ea22fcbfaa4ca75a6c06
http://github.com/FFmpeg/FFmpeg/commit/81df787b53eb5c6433731f6eaaf7f2a94d8a8c80
http://gist.github.com/1047524396/dc2c64ffe0c3934a6176bcd2c5cf5656

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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.