1. Ubuntu Security Notices
  2. USN-2412-1

USN-2412-1: Ruby vulnerability

Publication date

20 November 2014

Overview

Ruby could be made to consume resources.

Releases

Packages

  • ruby1.8 - Object-oriented scripting language
  • ruby1.9.1 - Object-oriented scripting language
  • ruby2.0 - Object-oriented scripting language
  • ruby2.1 - Object-oriented scripting language

Details

Tomas Hoger discovered that Ruby incorrectly handled XML entity expansion.
An attacker could use this flaw to cause Ruby to consume large amounts of
resources, resulting in a denial of service.

Tomas Hoger discovered that Ruby incorrectly handled XML entity expansion.
An attacker could use this flaw to cause Ruby to consume large amounts of
resources, resulting in a denial of service.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
14.10 utopic libruby2.0 –  2.0.0.484+really457-3ubuntu1.2
libruby2.1 –  2.1.2-2ubuntu1.2
ruby2.0 –  2.0.0.484+really457-3ubuntu1.2
ruby2.1 –  2.1.2-2ubuntu1.2
14.04 trusty libruby1.9.1 –  1.9.3.484-2ubuntu1.2
libruby2.0 –  2.0.0.484-1ubuntu2.2
ruby1.9.1 –  1.9.3.484-2ubuntu1.2
ruby2.0 –  2.0.0.484-1ubuntu2.2
12.04 precise libruby1.8 –  1.8.7.352-2ubuntu1.6
libruby1.9.1 –  1.9.3.0-1ubuntu2.10
ruby1.8 –  1.8.7.352-2ubuntu1.6
ruby1.9.1 –  1.9.3.0-1ubuntu2.10

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References

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