Ubuntu 4417-1: NSS vulnerability

    Date 06 Jul 2020
    99
    Posted By LinuxSecurity Advisories
    NSS could be made to expose sensitive information.
    ==========================================================================
    Ubuntu Security Notice USN-4417-1
    July 06, 2020
    
    nss vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 20.04 LTS
    - Ubuntu 19.10
    - Ubuntu 18.04 LTS
    - Ubuntu 16.04 LTS
    
    Summary:
    
    NSS could be made to expose sensitive information.
    
    Software Description:
    - nss: Network Security Service library
    
    Details:
    
    Cesar Pereida, Billy Bob Brumley, Yuval Yarom, and Nicola Tuveri discovered
    that NSS incorrectly handled RSA key generation. A local attacker could
    possibly use this issue to perform a timing attack and recover RSA keys.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 20.04 LTS:
      libnss3                         2:3.49.1-1ubuntu1.2
    
    Ubuntu 19.10:
      libnss3                         2:3.45-1ubuntu2.4
    
    Ubuntu 18.04 LTS:
      libnss3                         2:3.35-2ubuntu2.9
    
    Ubuntu 16.04 LTS:
      libnss3                         2:3.28.4-0ubuntu0.16.04.12
    
    After a standard system update you need to reboot your computer to make
    all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4417-1
      CVE-2020-12402
    
    Package Information:
      https://launchpad.net/ubuntu/+source/nss/2:3.49.1-1ubuntu1.2
      https://launchpad.net/ubuntu/+source/nss/2:3.45-1ubuntu2.4
      https://launchpad.net/ubuntu/+source/nss/2:3.35-2ubuntu2.9
      https://launchpad.net/ubuntu/+source/nss/2:3.28.4-0ubuntu0.16.04.12
    
    

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