USN-795-1: Nagios vulnerability

Ubuntu Security Notice USN-795-1

2nd July, 2009

nagios2, nagios3 vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 9.04
  • Ubuntu 8.10
  • Ubuntu 8.04 LTS

Software description

  • nagios2
  • nagios3


It was discovered that Nagios did not properly parse certain commands
submitted using the WAP web interface. An authenticated user could exploit
this flaw and execute arbitrary programs on the server.

Update instructions

The problem can be corrected by updating your system to the following package version:

Ubuntu 9.04:
nagios3 3.0.6-2ubuntu1.1
Ubuntu 8.10:
nagios3 3.0.2-1ubuntu1.2
Ubuntu 8.04 LTS:
nagios2 2.11-1ubuntu1.5

To update your system, please follow these instructions:

After a standard system upgrade you need to restart Nagios to effect
the necessary changes.