Linux Security
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    Ubuntu 2035-1: Ruby vulnerabilities

    Date
    92
    Posted By
    Several security issues were fixed in Ruby.
    ==========================================================================
    Ubuntu Security Notice USN-2035-1
    November 27, 2013
    
    ruby1.8, ruby1.9.1 vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 13.10
    - Ubuntu 13.04
    - Ubuntu 12.10
    - Ubuntu 12.04 LTS
    
    Summary:
    
    Several security issues were fixed in Ruby.
    
    Software Description:
    - ruby1.8: Object-oriented scripting language
    - ruby1.9.1: Object-oriented scripting language
    
    Details:
    
    Charlie Somerville discovered that Ruby incorrectly handled floating point
    number conversion. An attacker could possibly use this issue with an
    application that converts text to floating point numbers to cause the
    application to crash, resulting in a denial of service, or possibly execute
    arbitrary code. (CVE-2013-4164)
    
    Vit Ondruch discovered that Ruby did not perform taint checking for certain
    functions. An attacker could possibly use this issue to bypass certain
    intended restrictions. (CVE-2013-2065)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 13.10:
      libruby1.8                      1.8.7.358-7ubuntu2.1
      libruby1.9.1                    1.9.3.194-8.1ubuntu2.1
      ruby1.8                         1.8.7.358-7ubuntu2.1
      ruby1.9.1                       1.9.3.194-8.1ubuntu2.1
    
    Ubuntu 13.04:
      libruby1.8                      1.8.7.358-7ubuntu1.2
      libruby1.9.1                    1.9.3.194-8.1ubuntu1.2
      ruby1.8                         1.8.7.358-7ubuntu1.2
      ruby1.9.1                       1.9.3.194-8.1ubuntu1.2
    
    Ubuntu 12.10:
      libruby1.8                      1.8.7.358-4ubuntu0.4
      libruby1.9.1                    1.9.3.194-1ubuntu1.6
      ruby1.8                         1.8.7.358-4ubuntu0.4
      ruby1.9.1                       1.9.3.194-1ubuntu1.6
    
    Ubuntu 12.04 LTS:
      libruby1.8                      1.8.7.352-2ubuntu1.4
      libruby1.9.1                    1.9.3.0-1ubuntu2.8
      ruby1.8                         1.8.7.352-2ubuntu1.4
      ruby1.9.1                       1.9.3.0-1ubuntu2.8
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://www.ubuntu.com/usn/usn-2035-1
      CVE-2013-2065, CVE-2013-4164
    
    Package Information:
      https://launchpad.net/ubuntu/+source/ruby1.8/1.8.7.358-7ubuntu2.1
      https://launchpad.net/ubuntu/+source/ruby1.9.1/1.9.3.194-8.1ubuntu2.1
      https://launchpad.net/ubuntu/+source/ruby1.8/1.8.7.358-7ubuntu1.2
      https://launchpad.net/ubuntu/+source/ruby1.9.1/1.9.3.194-8.1ubuntu1.2
      https://launchpad.net/ubuntu/+source/ruby1.8/1.8.7.358-4ubuntu0.4
      https://launchpad.net/ubuntu/+source/ruby1.9.1/1.9.3.194-1ubuntu1.6
      https://launchpad.net/ubuntu/+source/ruby1.8/1.8.7.352-2ubuntu1.4
      https://launchpad.net/ubuntu/+source/ruby1.9.1/1.9.3.0-1ubuntu2.8
    
    
    

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