USN-1429-1: Jetty vulnerability

26 April 2012

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

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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.

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

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

Ubuntu 11.04
Ubuntu 10.04

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

References

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Further reading