Ubuntu 3253-2: Nagios regression

    Date07 Jun 2017
    CategoryUbuntu
    65
    Posted ByLinuxSecurity Advisories
    USN-3253-1 introduced a regression in Nagios.
    ==========================================================================
    Ubuntu Security Notice USN-3253-2
    June 07, 2017
    
    nagios3 regression
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 17.04
    - Ubuntu 16.10
    - Ubuntu 16.04 LTS
    - Ubuntu 14.04 LTS
    
    Summary:
    
    USN-3253-1 introduced a regression in Nagios.
    
    Software Description:
    - nagios3: host/service/network monitoring and management system
    
    Details:
    
    USN-3253-1 fixed vulnerabilities in Nagios. The update prevented log files
    from being displayed in the web interface. This update fixes the problem.
    
    We apologize for the inconvenience.
    
    Original advisory details:
    
     It was discovered that Nagios incorrectly handled certain long strings. A
     remote authenticated attacker could use this issue to cause Nagios to
     crash, resulting in a denial of service, or possibly obtain sensitive
     information. (CVE-2013-7108, CVE-2013-7205)
      It was discovered that Nagios incorrectly handled certain long messages to
     cmd.cgi. A remote attacker could possibly use this issue to cause Nagios to
     crash, resulting in a denial of service. (CVE-2014-1878)
      Dawid Golunski discovered that Nagios incorrectly handled symlinks when
     accessing log files. A local attacker could possibly use this issue to
     elevate privileges. In the default installation of Ubuntu, this should be
     prevented by the Yama link restrictions. (CVE-2016-9566)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 17.04:
      nagios3-cgi                     3.5.1.dfsg-2.1ubuntu5.2
      nagios3-core                    3.5.1.dfsg-2.1ubuntu5.2
    
    Ubuntu 16.10:
      nagios3-cgi                     3.5.1.dfsg-2.1ubuntu3.3
      nagios3-core                    3.5.1.dfsg-2.1ubuntu3.3
    
    Ubuntu 16.04 LTS:
      nagios3-cgi                     3.5.1.dfsg-2.1ubuntu1.3
      nagios3-core                    3.5.1.dfsg-2.1ubuntu1.3
    
    Ubuntu 14.04 LTS:
      nagios3-cgi                     3.5.1-1ubuntu1.3
      nagios3-core                    3.5.1-1ubuntu1.3
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://www.ubuntu.com/usn/usn-3253-2
      https://www.ubuntu.com/usn/usn-3253-1
      https://launchpad.net/bugs/1690380
    
    Package Information:
      https://launchpad.net/ubuntu/+source/nagios3/3.5.1.dfsg-2.1ubuntu5.2
      https://launchpad.net/ubuntu/+source/nagios3/3.5.1.dfsg-2.1ubuntu3.3
      https://launchpad.net/ubuntu/+source/nagios3/3.5.1.dfsg-2.1ubuntu1.3
      https://launchpad.net/ubuntu/+source/nagios3/3.5.1-1ubuntu1.3
    
    
    
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