USN-2131-1: IcedTea Web vulnerability

Ubuntu Security Notice USN-2131-1

6th 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 version:

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