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USN-1151-1: Nagios vulnerabilities

15 June 2011

An attacker could modify or steal data if you were tricked into clicking on a special link to Nagios.

Releases

Packages

  • nagios3 - A host/service/network monitoring and management system

Details

Stefan Schurtz discovered than Nagios did not properly sanitize its input
when processing certain requests, resulting in cross-site scripting (XSS)
vulnerabilities. With cross-site scripting vulnerabilities, if a user were
tricked into viewing server output during a crafted server request, a
remote attacker could exploit this to modify the contents, or steal
confidential data, within the same domain.

Update instructions

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

Ubuntu 11.04
Ubuntu 10.10
Ubuntu 10.04

After a standard system update you need to restart Nagios to make
all the necessary changes.