[USN-2923-1] BeanShell vulnerability

[Marc Deslauriers]

==========================================================================
Ubuntu Security Notice USN-2923-1
March 08, 2016

bsh vulnerability
==========================================================================

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

- Ubuntu 15.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS

Summary:

BeanShell could be made to run programs if it processed specially crafted
input.

Software Description:
- bsh: Java scripting environment

Details:

Alvaro Muñoz and Christian Schneider discovered that BeanShell incorrectly
handled deserialization. A remote attacker could possibly use this issue
to execute arbitrary code.

Update instructions:

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

Ubuntu 15.10:
  bsh                             2.0b4-15ubuntu0.15.10.1
  libbsh-java                     2.0b4-15ubuntu0.15.10.1

Ubuntu 14.04 LTS:
  bsh                             2.0b4-15ubuntu0.14.04.1
  libbsh-java                     2.0b4-15ubuntu0.14.04.1

Ubuntu 12.04 LTS:
  bsh                             2.0b4-12ubuntu0.1
  bsh-gcj                         2.0b4-12ubuntu0.1

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

References:
  http://www.ubuntu.com/usn/usn-2923-1
  CVE-2016-2510

Package Information:
  https://launchpad.net/ubuntu/+source/bsh/2.0b4-15ubuntu0.15.10.1
  https://launchpad.net/ubuntu/+source/bsh/2.0b4-15ubuntu0.14.04.1
  https://launchpad.net/ubuntu/+source/bsh/2.0b4-12ubuntu0.1


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