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USN-394-1: Ruby vulnerability

8 December 2006

Ruby vulnerability

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Releases

Details

An error was found in Ruby's CGI library that did not correctly quote
the boundary of multipart MIME requests. Using a crafted HTTP request,
a remote user could cause a denial of service, where Ruby CGI
applications would end up in a loop, monopolizing a CPU.

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 6.10
  • libruby1.8 - 1.8.4-5ubuntu1.2
Ubuntu 6.06
  • libruby1.8 - 1.8.4-1ubuntu1.3
Ubuntu 5.10
  • libruby1.8 - 1.8.2-9ubuntu1.4

In general, a standard system upgrade is sufficient to effect the
necessary changes.

References