USN-962-1: VTE vulnerability

Ubuntu Security Notice USN-962-1

15th 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


arbitrary command execution via terminal escape codes

Software description

  • vte - Terminal emulator widget for GTK+ 2.0


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 version:

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:

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