Ubuntu 2557-1: Firefox vulnerability

    Date07 Apr 2015
    CategoryUbuntu
    30
    Posted ByLinuxSecurity Advisories
    Firefox could be made to bypass SSL certificate verification.
    ==========================================================================
    Ubuntu Security Notice USN-2557-1
    April 07, 2015
    
    firefox vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 14.10
    - Ubuntu 14.04 LTS
    - Ubuntu 12.04 LTS
    
    Summary:
    
    Firefox could be made to bypass SSL certificate verification.
    
    Software Description:
    - firefox: Mozilla Open Source web browser
    
    Details:
    
    Muneaki Nishimura discovered a flaw in Mozilla's HTTP Alternative Services
    implementation which meant SSL certificate verification could be bypassed
    in some circumstances. A remote attacker could potentially exploit this to
    conduct a man in the middle attack. (CVE-2015-0799)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 14.10:
      firefox                         37.0.1+build1-0ubuntu0.14.10.1
    
    Ubuntu 14.04 LTS:
      firefox                         37.0.1+build1-0ubuntu0.14.04.1
    
    Ubuntu 12.04 LTS:
      firefox                         37.0.1+build1-0ubuntu0.12.04.1
    
    After a standard system update you need to restart Firefox to make
    all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-2557-1
      CVE-2015-0799
    
    Package Information:
      https://launchpad.net/ubuntu/+source/firefox/37.0.1+build1-0ubuntu0.14.10.1
      https://launchpad.net/ubuntu/+source/firefox/37.0.1+build1-0ubuntu0.14.04.1
      https://launchpad.net/ubuntu/+source/firefox/37.0.1+build1-0ubuntu0.12.04.1
    
    
    
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