Ubuntu 4060-2: NSS vulnerabilities

    Date 16 Jul 2019
    Posted By LinuxSecurity Advisories
    Several security issues were fixed in NSS.
    Ubuntu Security Notice USN-4060-2
    July 16, 2019
    nss vulnerabilities
    A security issue affects these releases of Ubuntu and its derivatives:
    - Ubuntu 14.04 ESM
    - Ubuntu 12.04 ESM
    Several security issues were fixed in NSS.
    Software Description:
    - nss: Network Security Service library
    USN-4060-1 fixed several vulnerabilities in nss. This update provides
    the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.
    Original advisory details:
     Henry Corrigan-Gibbs discovered that NSS incorrectly handled importing
     certain curve25519 private keys. An attacker could use this issue to cause
     NSS to crash, resulting in a denial of service, or possibly obtain
     sensitive information. (CVE-2019-11719)
     Jonas Allmann discovered that NSS incorrectly handled certain p256-ECDH
     public keys. An attacker could possibly use this issue to cause NSS to
     crash, resulting in a denial of service. (CVE-2019-11729)
    Update instructions:
    The problem can be corrected by updating your system to the following
    package versions:
    Ubuntu 14.04 ESM:
      libnss3                         2:3.28.4-0ubuntu0.14.04.5+esm1
    Ubuntu 12.04 ESM:
      libnss3                         2:3.28.4-0ubuntu0.12.04.4
    After a standard system update you need to restart any applications that
    use NSS, such as Evolution, to make all the necessary changes.
      CVE-2019-11719, CVE-2019-11729

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