SB2017021627 - NULL pointer dereference in ffmpeg (Alpine package)



SB2017021627 - NULL pointer dereference in ffmpeg (Alpine package)

Published: February 16, 2017

Security Bulletin ID SB2017021627
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) NULL pointer dereference (CVE-ID: CVE-2016-7905)

The vulnerability allows a local non-authenticated attacker to perform a denial of service (DoS) attack.

The read_gab2_sub function in libavformat/avidec.c in FFmpeg before 3.1.4 allows remote attackers to cause a denial of service (NULL pointer used) via a crafted AVI file.


Remediation

Install update from vendor's website.