Heap-based buffer overflow in FFmpeg - CVE-2017-9996

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 The cdxl_decode_frame function in libavcodec/cdxl.c in FFmpeg 2.8.x 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 exclude the CHUNKY format, 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

How to mitigate CVE-2017-9996

External References

• http://www.securityfocus.com/bid/99323
• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1378
• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1427
• https://github.com/FFmpeg/FFmpeg/commit/1e42736b95065c69a7481d0cf55247024f54b660
• https://github.com/FFmpeg/FFmpeg/commit/e1b60aad77c27ed5d4dfc11e5e6a05a38c70489d

Related Security Bulletins

• Heap-based buffer overflow in ffmpeg.sourceforge.net FFmpeg
• Heap-based buffer overflow in ffmpeg (Alpine package)