1. Ubuntu Security Notices
  2. USN-1429-1

USN-1429-1: Jetty vulnerability

Publication date

26 April 2012

Overview

Jetty could be made to hang or crash if it received specially crafted network traffic.

Releases

Packages

  • jetty - Java servlet engine and webserver

Details

It was discovered that Jetty computed hash values for form parameters
without restricting the ability to trigger hash collisions predictably.
This could allow a remote attacker to cause a denial of service by
sending many crafted parameters.

It was discovered that Jetty computed hash values for form parameters
without restricting the ability to trigger hash collisions predictably.
This could allow a remote attacker to cause a denial of service by
sending many crafted parameters.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
11.04 natty libjetty-java –  6.1.24-6ubuntu0.11.04.1
10.04 lucid libjetty-java –  6.1.22-1ubuntu1.1

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References

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