Ubuntu 4215-1: NSS vulnerability

    Date09 Dec 2019
    CategoryUbuntu
    163
    Posted ByLinuxSecurity Advisories
    NSS could be made to crash if it received a specially crafted certificate.
    ==========================================================================
    Ubuntu Security Notice USN-4215-1
    December 09, 2019
    
    nss vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 19.04
    - Ubuntu 18.04 LTS
    - Ubuntu 16.04 LTS
    - Ubuntu 14.04 ESM
    - Ubuntu 12.04 ESM
    
    Summary:
    
    NSS could be made to crash if it received a specially crafted certificate.
    
    Software Description:
    - nss: Network Security Service library
    
    Details:
    
    It was discovered that NSS incorrectly handled certain certificates.
    An attacker could possibly use this issue to cause a denial of service.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 19.04:
      libnss3                         2:3.42-1ubuntu2.4
    
    Ubuntu 18.04 LTS:
      libnss3                         2:3.35-2ubuntu2.6
    
    Ubuntu 16.04 LTS:
      libnss3                         2:3.28.4-0ubuntu0.16.04.9
    
    Ubuntu 14.04 ESM:
      libnss3                         2:3.28.4-0ubuntu0.14.04.5+esm3
    
    Ubuntu 12.04 ESM:
      libnss3                         2:3.28.4-0ubuntu0.12.04.6
    
    After a standard system update you need to reboot your computer to make
    all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4215-1
      CVE-2019-17007
    
    Package Information:
      https://launchpad.net/ubuntu/+source/nss/2:3.42-1ubuntu2.4
      https://launchpad.net/ubuntu/+source/nss/2:3.35-2ubuntu2.6
      https://launchpad.net/ubuntu/+source/nss/2:3.28.4-0ubuntu0.16.04.9
    
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