USN-1136-1: rdesktop vulnerability

25 May 2011

rdesktop vulnerability

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

  • Ubuntu 11.04
  • Ubuntu 10.10
  • Ubuntu 10.04 LTS

Summary

An attacker could access your files if rdesktop connected to a malicious server.

Software Description

  • rdesktop - RDP client for Windows NT/2000 Terminal Server

Details

It was discovered that rdesktop incorrectly handled specially crafted paths when using disk redirection. If a user were tricked into connecting to a malicious server, an attacker could access arbitrary files on the user’s filesystem.

Update instructions

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

Ubuntu 11.04
rdesktop - 1.6.0-3ubuntu4.1
Ubuntu 10.10
rdesktop - 1.6.0-3ubuntu2.1
Ubuntu 10.04 LTS
rdesktop - 1.6.0-2ubuntu3.1

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

In general, a standard system update will make all the necessary changes.

References