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USN-1603-2: Ruby vulnerabilities

23 October 2012

Ruby could allow excessive access in untrusted programs.

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Releases

Packages

  • ruby1.8 - Interpreter of object-oriented scripting language Ruby 1.8

Details

USN-1603-1 fixed vulnerabilities in Ruby. This update provides the
corresponding updates for Ubuntu 12.10.

Original advisory details:

Shugo Maedo and Vit Ondruch discovered that Ruby incorrectly allowed untainted
strings to be modified in protective safe levels. An attacker could use this
flaw to bypass intended access restrictions. (CVE-2012-4466, CVE-2012-4481)

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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 12.10

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

References

Related notices

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Further reading