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Ubuntu 15.10: USN-2923-1 Moderate: BeanShell Remote Code Execution

ubuntu
Calendar Grey March 8, 2016
Scroller Ubuntu
Uncover the BeanShell flaw in Ubuntu impacting various versions and explore ways to effectively reduce the threat.
BeanShell could be made to run programs if it processed specially crafted input.

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.

Topics%20covered

Topics Covered

security advisory security issue remote execution ubuntu java bsh

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

https://ubuntu.com/security/notices/USN-2923-1

CVE-2016-2510

Severity
important
Lowest
Low
Medium
High
Critical

March 08, 2016

Topics%20covered

Topics Covered

security advisory security issue remote execution ubuntu java bsh

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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