USN-2923-1: BeanShell vulnerability

Ubuntu Security Notice USN-2923-1

8th March, 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 version:

Ubuntu 15.10:

libbsh-java 2.0b4-15ubuntu0.15.10.1

bsh 2.0b4-15ubuntu0.15.10.1

Ubuntu 14.04 LTS:

libbsh-java 2.0b4-15ubuntu0.14.04.1

bsh 2.0b4-15ubuntu0.14.04.1

Ubuntu 12.04 LTS:

bsh 2.0b4-12ubuntu0.1

bsh-gcj 2.0b4-12ubuntu0.1

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-2016-2510