Ubuntu 3810-1: ppp vulnerability

    Date06 Nov 2018
    Posted ByAnthony Pell
    ppp could be made to crash or bypass authentication if it received specially crafted network traffic.
    Ubuntu Security Notice USN-3810-1
    November 06, 2018
    ppp vulnerability
    A security issue affects these releases of Ubuntu and its derivatives:
    - Ubuntu 18.04 LTS
    - Ubuntu 16.04 LTS
    - Ubuntu 14.04 LTS
    ppp could be made to crash or bypass authentication if it received
    specially crafted network traffic.
    Software Description:
    - ppp: Point-to-Point Protocol (PPP)
    Ivan Gotovchits discovered that ppp incorrectly handled the EAP-TLS
    protocol. A remote attacker could use this issue to cause ppp to crash,
    resulting in a denial of service, or possibly bypass authentication.
    Update instructions:
    The problem can be corrected by updating your system to the following
    package versions:
    Ubuntu 18.04 LTS:
      ppp                             2.4.7-2+2ubuntu1.1
    Ubuntu 16.04 LTS:
      ppp                             2.4.7-1+2ubuntu1.16.04.1
    Ubuntu 14.04 LTS:
      ppp                             2.4.5-5.1ubuntu2.3
    In general, a standard system update will make all the necessary changes.
    Package Information:
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