Heap-based buffer overflow in FFmpeg - CVE-2017-9994
Published: June 28, 2017 / Updated: July 18, 2020
Vulnerability identifier: #VU31413
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-9994
CWE-ID: CWE-122
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in libavcodec/webp.c in FFmpeg before 2.8.12, 3.0.x before 3.0.8, 3.1.x before 3.1.8, 3.2.x before 3.2.5, and 3.3.x before 3.3.1 does not ensure that pix_fmt is set, which. A remote attacker can use a crafted file to trigger heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
FFmpeg
ffmpeg (Alpine package)
ffmpeg (Alpine package)
How to mitigate CVE-2017-9994
Update to version 3.3.1.
FFmpeg - update to 3.3.1
ffmpeg (Alpine package) - update to 3.1.11-r1
ffmpeg (Alpine package) - update to 3.1.11-r1
External References
- http://www.securityfocus.com/bid/99317
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1434
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1435
- https://github.com/FFmpeg/FFmpeg/commit/6b5d3fb26fb4be48e4966e4b1d97c2165538d4ef
- https://lists.debian.org/debian-lts-announce/2019/01/msg00006.html