Ubuntu 3898-2: NSS vulnerability

    Date27 Feb 2019
    CategoryUbuntu
    4240
    Posted ByLinuxSecurity Advisories
    NSS could be made to crash if it received specially crafted network traffic.
    ==========================================================================
    Ubuntu Security Notice USN-3898-2
    February 27, 2019
    
    nss vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 12.04 ESM
    
    Summary:
    
    NSS could be made to crash if it received specially crafted network
    traffic.
    
    Software Description:
    - nss: Network Security Service library
    
    Details:
    
    USN-3898-1 fixed a vulnerability in NSS. This update provides
    the corresponding update for Ubuntu 12.04 ESM.
    
    Original advisory details:
    
     Hanno Böck and Damian Poddebniak discovered that NSS incorrectly
     handled certain CMS functions. A remote attacker could possibly use
     this issue to cause NSS to crash, resulting in a denial of service.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 12.04 ESM:
      libnss3                         2:3.28.4-0ubuntu0.12.04.3
    
    After a standard system update you need to restart any applications
    that use NSS, such as Evolution, to make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/usn/usn-3898-2
      https://usn.ubuntu.com/usn/usn-3898-1
      CVE-2018-18508
    
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