Ubuntu Security Notice 2923-1 - Alvaro Munoz and Christian Schneider discovered that BeanShell incorrectly handled deserialization. A remote attacker could possibly use this issue to execute arbitrary code.
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Ubuntu Security Notice USN-2923-1
March 08, 2016
bsh vulnerability
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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