Vulnerability identifier: #VU14017

Vulnerability risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-12458

CWE-ID: CWE-617

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 cause DoS condition on the target system.

The vulnerability exists due to improper integer type in the mpeg4_encode_gop_header function in libavcodec/mpeg4videoenc.c. A remote attacker can supply specially crafted AVI file to MPEG4, trick the victim into converting it, trigger assertion violation and cause the service to crash.

Mitigation
Update to version 4.0.1.

Vulnerable software versions

FFmpeg: 4.0.0

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External links
http://github.com/FFmpeg/FFmpeg/commit/e1182fac1afba92a4975917823a5f644bee7e6e8

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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.