#VU103288 Double free in FFmpeg - CVE-2024-35365

Vulnerability identifier: #VU103288

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-35365

CWE-ID: CWE-415

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 a boundary error within the new_stream_audio() function in fftools/ffmpeg_mux_init.c. A remote attacker can pass specially crafted data to the application, trigger double free 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: 6.0 - 6.1.2

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External links
https://gist.github.com/1047524396/d7d4ea8055b75c4a9f9bbcff31d21423
https://github.com/FFmpeg/FFmpeg/blob/n6.1.1/fftools/ffmpeg_mux_init.c#L886
https://github.com/ffmpeg/ffmpeg/commit/ced5c5fdb8634d39ca9472a2026b2d2fea16c4e5

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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.