Ubuntu 2864-1: NSS vulnerability

    Date07 Jan 2016
    CategoryUbuntu
    102
    Posted ByLinuxSecurity Advisories
    NSS could be made to expose sensitive information over the network.
    ==========================================================================
    Ubuntu Security Notice USN-2864-1
    January 07, 2016
    
    nss 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:
    
    NSS could be made to expose sensitive information over the network.
    
    Software Description:
    - nss: Network Security Service library
    
    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:
      libnss3                         2:3.19.2.1-0ubuntu0.15.10.2
    
    Ubuntu 15.04:
      libnss3                         2:3.19.2.1-0ubuntu0.15.04.2
    
    Ubuntu 14.04 LTS:
      libnss3                         2:3.19.2.1-0ubuntu0.14.04.2
    
    Ubuntu 12.04 LTS:
      libnss3                         3.19.2.1-0ubuntu0.12.04.2
    
    After a standard system update you need to restart any applications that
    use NSS, such as Evolution and Chromium, to make all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-2864-1
      CVE-2015-7575
    
    Package Information:
      https://launchpad.net/ubuntu/+source/nss/2:3.19.2.1-0ubuntu0.15.10.2
      https://launchpad.net/ubuntu/+source/nss/2:3.19.2.1-0ubuntu0.15.04.2
      https://launchpad.net/ubuntu/+source/nss/2:3.19.2.1-0ubuntu0.14.04.2
      https://launchpad.net/ubuntu/+source/nss/3.19.2.1-0ubuntu0.12.04.2
    
    
    
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