Ubuntu 1780-1: Ruby vulnerability

    Date 25 Mar 2013
    113
    Posted By LinuxSecurity Advisories
    Ruby could be made to hang if it received specially crafted input.
    ==========================================================================
    Ubuntu Security Notice USN-1780-1
    March 25, 2013
    
    ruby1.8, ruby1.9.1 vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 12.10
    - Ubuntu 12.04 LTS
    - Ubuntu 11.10
    - Ubuntu 10.04 LTS
    
    Summary:
    
    Ruby could be made to hang if it received specially crafted input.
    
    Software Description:
    - ruby1.8: Object-oriented scripting language
    - ruby1.9.1: Object-oriented scripting language
    
    Details:
    
    Ben Murphy discovered that the Ruby REXML library incorrectly handled XML
    entity expansion. An attacker could use this flaw to cause Ruby to consume
    large amounts of memory, resulting in a denial of service.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 12.10:
      libruby1.8                      1.8.7.358-4ubuntu0.2
      libruby1.9.1                    1.9.3.194-1ubuntu1.4
      ruby1.8                         1.8.7.358-4ubuntu0.2
      ruby1.9.1                       1.9.3.194-1ubuntu1.4
    
    Ubuntu 12.04 LTS:
      libruby1.8                      1.8.7.352-2ubuntu1.2
      libruby1.9.1                    1.9.3.0-1ubuntu2.6
      ruby1.8                         1.8.7.352-2ubuntu1.2
      ruby1.9.1                       1.9.3.0-1ubuntu2.6
    
    Ubuntu 11.10:
      libruby1.8                      1.8.7.352-2ubuntu0.3
      ruby1.8                         1.8.7.352-2ubuntu0.3
    
    Ubuntu 10.04 LTS:
      libruby1.8                      1.8.7.249-2ubuntu0.3
      ruby1.8                         1.8.7.249-2ubuntu0.3
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://www.ubuntu.com/usn/usn-1780-1
      CVE-2013-1821
    
    Package Information:
      https://launchpad.net/ubuntu/+source/ruby1.8/1.8.7.358-4ubuntu0.2
      https://launchpad.net/ubuntu/+source/ruby1.9.1/1.9.3.194-1ubuntu1.4
      https://launchpad.net/ubuntu/+source/ruby1.8/1.8.7.352-2ubuntu1.2
      https://launchpad.net/ubuntu/+source/ruby1.9.1/1.9.3.0-1ubuntu2.6
      https://launchpad.net/ubuntu/+source/ruby1.8/1.8.7.352-2ubuntu0.3
      https://launchpad.net/ubuntu/+source/ruby1.8/1.8.7.249-2ubuntu0.3
    
    
    

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    [{"id":"112","title":"I strongly support this change - racially charged language should not be used in the code and documentation of the kernel and other open-source projects.","votes":"6","type":"x","order":"1","pct":18.75,"resources":[]},{"id":"113","title":"I'm indifferent - this small change will not affect broader issues of racial insensitivity and white privilege.","votes":"4","type":"x","order":"2","pct":12.5,"resources":[]},{"id":"114","title":"I'm opposed to this change - there is no need to change language that has been used for years. It doesn't make sense for people to take offense to terminology used in community projects.","votes":"22","type":"x","order":"3","pct":68.75,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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