Vulnerability identifier: #VU13983

Vulnerability risk: Low

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-14395

CWE-ID: CWE-369

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 unauthenticated attacker to cause DoS condition.

The vulnerability exists due to boundary error when the mov_write_audio_tag() function, as defined in the libavformat/movenc.c source code file of the affected software, is used. A remote attacker can trick the victim into opening a specially crafted audio file that submits malicious input, trigger a divide-by-zero error and cause the service to crash.

Mitigation
Update to version 4.0.2.

Vulnerable software versions

FFmpeg: 0.3 - cvs

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External links
http://github.com/FFmpeg/FFmpeg/commit/fa19fbcf712a6a6cc5a5cfdc3254a97b9bce6582

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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.