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USN-273-1: Ruby vulnerability

24 April 2006

Ruby vulnerability

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Releases

Details

Yukihiro Matsumoto reported that Ruby's HTTP module uses blocking
sockets. By sending large amounts of data to a server application that
uses this module, a remote attacker could exploit this to render this
application unusable and not respond any more to other clients (Denial
of Service).

Reduce your security exposure

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.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 5.10
  • libruby1.8 -
  • libwebrick-ruby1.8 -
Ubuntu 5.04
  • libruby1.8 -
  • libwebrick-ruby1.8 -
Ubuntu 4.10
  • libruby1.8 -
  • libwebrick-ruby1.8 -

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

References