Heap-based buffer overflow in FFmpeg - CVE-2014-5271

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in Heap-based buffer overflow in the encode_slice function in libavcodec/proresenc_kostya.c in FFMpeg before 1.1.14, 1.2.x before 1.2.8, 2.x before 2.2.7, and 2.3.x before 2.3.3 and Libav before 10.5. A remote attacker can use unspecified vectors. 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.

How to mitigate CVE-2014-5271

Sources

• http://git.videolan.org/?p=ffmpeg.git;a=commit;h=52b81ff4635c077b2bc8b8d3637d933b6629d803
• http://www.osvdb.org/111725
• http://www.securityfocus.com/bid/69250
• https://security.gentoo.org/glsa/201603-06
• https://www.ffmpeg.org/security.html