Ubuntu: USN-3253-2: Nagios regression

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)