Ubuntu 2866-1: Firefox vulnerability

    Date08 Jan 2016
    CategoryUbuntu
    30
    Posted ByLinuxSecurity Advisories
    Firefox could be made to expose sensitive information over the network.
    ==========================================================================
    Ubuntu Security Notice USN-2866-1
    January 08, 2016
    
    firefox vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 15.10
    - Ubuntu 15.04
    - Ubuntu 14.04 LTS
    - Ubuntu 12.04 LTS
    
    Summary:
    
    Firefox could be made to expose sensitive information over the network.
    
    Software Description:
    - firefox: Mozilla Open Source web browser
    
    Details:
    
    Karthikeyan Bhargavan and Gaetan Leurent discovered that NSS incorrectly
    allowed MD5 to be used for TLS 1.2 connections. If a remote attacker were
    able to perform a man-in-the-middle attack, this flaw could be exploited to
    view sensitive information.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 15.10:
      firefox                         43.0.4+build3-0ubuntu0.15.10.1
    
    Ubuntu 15.04:
      firefox                         43.0.4+build3-0ubuntu0.15.04.1
    
    Ubuntu 14.04 LTS:
      firefox                         43.0.4+build3-0ubuntu0.14.04.1
    
    Ubuntu 12.04 LTS:
      firefox                         43.0.4+build3-0ubuntu0.12.04.1
    
    After a standard system update you need to restart Firefox to make
    all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-2866-1
      CVE-2015-7575
    
    Package Information:
      https://launchpad.net/ubuntu/+source/firefox/43.0.4+build3-0ubuntu0.15.10.1
      https://launchpad.net/ubuntu/+source/firefox/43.0.4+build3-0ubuntu0.15.04.1
      https://launchpad.net/ubuntu/+source/firefox/43.0.4+build3-0ubuntu0.14.04.1
      https://launchpad.net/ubuntu/+source/firefox/43.0.4+build3-0ubuntu0.12.04.1
    
    
    
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