USN-1136-1: rdesktop vulnerability

Ubuntu Security Notice USN-1136-1

25th 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 version:

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

CVE-2011-1595