Ubuntu 2478-1: libssh vulnerability

    Date19 Jan 2015
    CategoryUbuntu
    51
    Posted ByLinuxSecurity Advisories
    libssh could be made to crash if it received specially crafted network traffic.
    ==========================================================================
    Ubuntu Security Notice USN-2478-1
    January 19, 2015
    
    libssh vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 14.10
    - Ubuntu 14.04 LTS
    - Ubuntu 12.04 LTS
    
    Summary:
    
    libssh could be made to crash if it received specially crafted network
    traffic.
    
    Software Description:
    - libssh: A tiny C SSH library
    
    Details:
    
    It was discovered that libssh incorrectly handled certain kexinit packets.
    A remote attacker could possibly use this issue to cause libssh to crash,
    resulting in a denial of service.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 14.10:
      libssh-4                        0.6.3-2ubuntu1.1
    
    Ubuntu 14.04 LTS:
      libssh-4                        0.6.1-0ubuntu3.1
    
    Ubuntu 12.04 LTS:
      libssh-4                        0.5.2-1ubuntu0.12.04.4
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-2478-1
      CVE-2014-8132
    
    Package Information:
      https://launchpad.net/ubuntu/+source/libssh/0.6.3-2ubuntu1.1
      https://launchpad.net/ubuntu/+source/libssh/0.6.1-0ubuntu3.1
      https://launchpad.net/ubuntu/+source/libssh/0.5.2-1ubuntu0.12.04.4
    
    
    
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