Input validation error in FFmpeg - CVE-2018-12459
Published: June 15, 2018 / Updated: July 28, 2020
Vulnerability identifier: #VU32037
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-12459
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
An inconsistent bits-per-sample value in the ff_mpeg4_decode_picture_header function in libavcodec/mpeg4videodec.c in FFmpeg 4.0 may trigger an assertion violation while converting a crafted AVI file to MPEG4, leading to a denial of service.
Affected software
FFmpeg
ffmpeg (Alpine package)
ffmpeg (Alpine package)
How to mitigate CVE-2018-12459
Install update from vendor's website.
ffmpeg (Alpine package) - update to 4.1-r0