USN-962-1: VTE vulnerability

15 July 2010

vte vulnerability

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

  • Ubuntu 10.04 LTS
  • Ubuntu 9.10
  • Ubuntu 9.04

Summary

arbitrary command execution via terminal escape codes

Software Description

  • vte - Terminal emulator widget for GTK+ 2.0

Details

Janne Snabb discovered that applications using VTE, such as gnome-terminal, did not correctly filter window and icon title request escape codes. If a user were tricked into viewing specially crafted output in their terminal, a remote attacker could execute arbitrary commands with user privileges.

Update instructions

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

Ubuntu 10.04 LTS
libvte9 - 1:0.23.5-0ubuntu1.1
Ubuntu 9.10
libvte9 - 1:0.22.2-0ubuntu2.1
Ubuntu 9.04
libvte9 - 1:0.20.0-0ubuntu2.1

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

After a standard system update you need to restart your session to make all the necessary changes.

References