Ubuntu 3809-1: OpenSSH vulnerabilities

    Date06 Nov 2018
    CategoryUbuntu
    3082
    Posted ByAnthony Pell
    Several security issues were fixed in OpenSSH.
    ==========================================================================
    Ubuntu Security Notice USN-3809-1
    November 06, 2018
    
    openssh vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 18.04 LTS
    - Ubuntu 16.04 LTS
    - Ubuntu 14.04 LTS
    
    Summary:
    
    Several security issues were fixed in OpenSSH.
    
    Software Description:
    - openssh: secure shell (SSH) for secure access to remote machines
    
    Details:
    
    Robert Swiecki discovered that OpenSSH incorrectly handled certain
    messages. An attacker could possibly use this issue to cause a denial
    of service. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04
    LTS. (CVE-2016-10708)
    
    It was discovered that OpenSSH incorrectly handled certain requests.
    An attacker could possibly use this issue to access sensitive
    information. (CVE-2018-15473)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 18.04 LTS:
      openssh-server                  1:7.6p1-4ubuntu0.1
    
    Ubuntu 16.04 LTS:
      openssh-server                  1:7.2p2-4ubuntu2.6
    
    Ubuntu 14.04 LTS:
      openssh-server                  1:6.6p1-2ubuntu2.11
    
    In general, a standard system update will makVe all the necessary
    changes.
    
    References:
      https://usn.ubuntu.com/usn/usn-3809-1
      CVE-2016-10708, CVE-2018-15473
    
    Package Information:
      https://launchpad.net/ubuntu/+source/openssh/1:7.6p1-4ubuntu0.1
      https://launchpad.net/ubuntu/+source/openssh/1:7.2p2-4ubuntu2.6
      https://launchpad.net/ubuntu/+source/openssh/1:6.6p1-2ubuntu2.11
    
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