USN-2131-1: IcedTea Web vulnerability

6 March 2014

icedtea-web vulnerability

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

  • Ubuntu 13.10
  • Ubuntu 12.10
  • Ubuntu 12.04 LTS


IcedTea Web could be made to expose or alter sensitive information.

Software Description

  • icedtea-web - A web browser plugin to execute Java applets


Michael Scherer discovered that IcedTea Web created temporary directories in an unsafe fashion. A local attacker could possibly use this issue to obtain or modify sensitive information from other local user sessions.

Update instructions

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

Ubuntu 13.10
icedtea-6-plugin - 1.4-3ubuntu2.1
icedtea-7-plugin - 1.4-3ubuntu2.1
Ubuntu 12.10
icedtea-6-plugin - 1.3.2-1ubuntu0.12.10.3
icedtea-7-plugin - 1.3.2-1ubuntu0.12.10.3
Ubuntu 12.04 LTS
icedtea-6-plugin - 1.2.3-0ubuntu0.12.04.4
icedtea-7-plugin - 1.2.3-0ubuntu0.12.04.4

To update your system, please follow these instructions:

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