Out-of-bounds read in FFmpeg - CVE-2018-6621
Published: July 26, 2018
Vulnerability identifier: #VU14015
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-6621
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: ffmpeg.sourceforge.net
Affected software:
FFmpeg
FFmpeg
Detailed vulnerability description
The vulnerability allows a remote unauthenticated attacker to cause DoS condition.
The vulnerability exists in the decode_frame function in libavcodec/utvideodec.c due to insufficient input validation. A remote attacker can trick the victim into opening a specially crafted AVI file that submits malicious input, trigger a out-of-bounds read and cause the service to crash.
How to mitigate CVE-2018-6621
Update to version 3.4.2.