Ubuntu 2412-1: Ruby vulnerability

    Date20 Nov 2014
    CategoryUbuntu
    57
    Posted ByLinuxSecurity Advisories
    Ruby could be made to consume resources.
    ==========================================================================
    Ubuntu Security Notice USN-2412-1
    November 20, 2014
    
    ruby1.8, ruby1.9.1, ruby2.0, ruby2.1 vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 14.10
    - Ubuntu 14.04 LTS
    - Ubuntu 12.04 LTS
    
    Summary:
    
    Ruby could be made to consume resources.
    
    Software Description:
    - ruby2.0: Object-oriented scripting language
    - ruby2.1: Object-oriented scripting language
    - ruby1.9.1: Object-oriented scripting language
    - ruby1.8: 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.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 14.10:
      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
    
    Ubuntu 14.04 LTS:
      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
    
    Ubuntu 12.04 LTS:
      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
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-2412-1
      CVE-2014-8090
    
    Package Information:
      https://launchpad.net/ubuntu/+source/ruby2.0/2.0.0.484+really457-3ubuntu1.2
      https://launchpad.net/ubuntu/+source/ruby2.1/2.1.2-2ubuntu1.2
      https://launchpad.net/ubuntu/+source/ruby1.9.1/1.9.3.484-2ubuntu1.2
      https://launchpad.net/ubuntu/+source/ruby2.0/2.0.0.484-1ubuntu2.2
      https://launchpad.net/ubuntu/+source/ruby1.8/1.8.7.352-2ubuntu1.6
      https://launchpad.net/ubuntu/+source/ruby1.9.1/1.9.3.0-1ubuntu2.10
    
    
    
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