[Trisquel-security] [USN-1429-1] Jetty vulnerability

[Marc Deslauriers]

==========================================================================
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/6.1.24-6ubuntu0.11.04.1
  https://launchpad.net/ubuntu/+source/jetty/6.1.22-1ubuntu1.1


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