FFmpeg 'libavformat/mxfdec.c' Security Bypass Vulnerability

Bugtraq ID:	100692
Class:	Input Validation Error
CVE:	CVE-2017-14169
Remote:	Yes
Local:	No
Published:	Sep 07 2017 12:00AM
Updated:	Oct 11 2017 10:02AM
Credit:	Xiaohei and Wangchu from Alibaba Security Team.
Vulnerable:	FFmpeg FFmpeg 3.3.3 Debian Linux 6.0 sparc Debian Linux 6.0 s/390 Debian Linux 6.0 powerpc Debian Linux 6.0 mips Debian Linux 6.0 ia-64 Debian Linux 6.0 ia-32 Debian Linux 6.0 arm Debian Linux 6.0 amd64
Not Vulnerable:

FFmpeg 'libavformat/mxfdec.c' Security Bypass Vulnerability

FFmpeg is prone to a security-bypass vulnerability.

Successful exploits may allow attackers to bypass security restrictions and perform unauthorized actions.

FFmpeg 3.3.3 is vulnerable; other versions may also be affected.

FFmpeg 'libavformat/mxfdec.c' Security Bypass Vulnerability

Currently, we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

FFmpeg 'libavformat/mxfdec.c' Security Bypass Vulnerability

Solution:
Updates are available. Please see the references or vendor advisory for more information.

FFmpeg 'libavformat/mxfdec.c' Security Bypass Vulnerability

References:

• FFmpeg Homepage (FFmpeg)
  
• avformat/mxfdec: Fix Sign error in mxf_read_primer_pack() (Github)