Ubuntu 4288-1: ppp vulnerability

    Date20 Feb 2020
    678
    Posted ByLinuxSecurity Advisories
    ppp could be made to crash or run programs if it received specially crafted network traffic.
    ==========================================================================
    Ubuntu Security Notice USN-4288-1
    February 20, 2020
    
    ppp vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 19.10
    - Ubuntu 18.04 LTS
    - Ubuntu 16.04 LTS
    
    Summary:
    
    ppp could be made to crash or run programs if it received specially crafted
    network traffic.
    
    Software Description:
    - ppp: Point-to-Point Protocol (PPP)
    
    Details:
    
    It was discovered that ppp incorrectly handled certain rhostname values. A
    remote attacker could use this issue to cause ppp to crash, resulting in a
    denial of service, or possibly execute arbitrary code.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 19.10:
      ppp                             2.4.7-2+4.1ubuntu4.1
    
    Ubuntu 18.04 LTS:
      ppp                             2.4.7-2+2ubuntu1.2
    
    Ubuntu 16.04 LTS:
      ppp                             2.4.7-1+2ubuntu1.16.04.2
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4288-1
      CVE-2020-8597
    
    Package Information:
      https://launchpad.net/ubuntu/+source/ppp/2.4.7-2+4.1ubuntu4.1
      https://launchpad.net/ubuntu/+source/ppp/2.4.7-2+2ubuntu1.2
      https://launchpad.net/ubuntu/+source/ppp/2.4.7-1+2ubuntu1.16.04.2
    
    

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