FFmpeg 'libavformat/rtmppkt.c' Denial of Service Vulnerability

Bugtraq ID:	100017
Class:	Boundary Condition Error
CVE:	CVE-2017-11665
Remote:	Yes
Local:	No
Published:	Jul 27 2017 12:00AM
Updated:	Jul 27 2017 12:00AM
Credit:	JunDong Xie from Ant-financial Light-Year Security Lab.
Vulnerable:	FFmpeg FFmpeg 3.3.2
Not Vulnerable:	FFmpeg FFmpeg 3.3.3 FFmpeg FFmpeg 3.2.7

FFmpeg 'libavformat/rtmppkt.c' Denial of Service Vulnerability

FFmpeg is prone to a denial-of-service vulnerability.

Attackers can exploit this issue to cause applications to crash with a segmentation fault, denying service to legitimate users.

FFmpeg 3.3.2 is vulnerable; other versions may also be affected.

FFmpeg 'libavformat/rtmppkt.c' Denial of Service 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/rtmppkt.c' Denial of Service Vulnerability

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

FFmpeg 'libavformat/rtmppkt.c' Denial of Service Vulnerability

References:

• avformat/rtmppkt: Convert ff_amf_get_field_value() to bytestream2 (FFmpeg)
  
• avformat/rtmppkt: Convert ff_amf_tag_size() to bytestream2 (FFmpeg)
  
• FFmpeg Homepage (FFmpeg)
  
• FFmpeg Security (FFmpeg)