1. Ubuntu Security Notices
  2. USN-2789-1

USN-2789-1: XScreenSaver vulnerability

Publication date

3 November 2015

Overview

The system could be made to expose sensitive information.

Releases

Packages

Details

It was discovered that XScreenSaver incorrectly handled unplugging an
external monitor. An attacker with physical access could use this flaw to
gain access to a locked session.

It was discovered that XScreenSaver incorrectly handled unplugging an
external monitor. An attacker with physical access could use this flaw to
gain access to a locked session.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
12.04 precise xscreensaver –  5.15-2ubuntu1.1

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References

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