Ubuntu alert USN-1429-1 (jetty)

From:
    	     
 
Marc Deslauriers <marc.deslauriers@canonical.com> 
To:
    	     
 
ubuntu-security-announce@lists.ubuntu.com 
Subject:
    	     
 
[USN-1429-1] Jetty vulnerability 
Date:
    	     
 
Thu, 26 Apr 2012 16:38:11 -0400
Message-ID:
    	     
 
<1335472691.563.8.camel@mdlinux>
Archive-link:
    	     
 
Article, Thread
              
==========================================================================
Ubuntu Security Notice USN-1429-1
April 26, 2012

jetty vulnerability
==========================================================================

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

- Ubuntu 11.04
- Ubuntu 10.04 LTS

Summary:

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

Software Description:
- 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.

Update instructions:

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

Ubuntu 11.04:
  libjetty-java                   6.1.24-6ubuntu0.11.04.1

Ubuntu 10.04 LTS:
  libjetty-java                   6.1.22-1ubuntu1.1

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

References:
  http://www.ubuntu.com/usn/usn-1429-1
  CVE-2011-4461

Package Information:
  https://launchpad.net/ubuntu/+source/jetty/6.1.24-6ubuntu...
  https://launchpad.net/ubuntu/+source/jetty/6.1.22-1ubuntu1.1


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