USN-3604-1: libvorbis vulnerability

22 March 2018

libvorbis vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 17.10
  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 LTS

Summary

libvorbis could be made to crash or run programs as your login if it opened a specially crafted file.

Software Description

  • libvorbis - The Vorbis General Audio Compression Codec

Details

Richard Zhu discovered that libvorbis incorrectly handled certain sound files. An attacker could use this to cause libvorbis to crash, resulting in a denial or service, or possibly execute arbitrary code.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 17.10
libvorbis0a - 1.3.5-4ubuntu0.2
Ubuntu 16.04 LTS
libvorbis0a - 1.3.5-3ubuntu0.2
Ubuntu 14.04 LTS
libvorbis0a - 1.3.2-1.3ubuntu1.2

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

After a standard system upgrade you need to restart any applications that use libvorbis, such as Totem and gtkpod, to effect the necessary changes.

References