Nagios XI before 5.6.6 allows remote command execution as root. The exploit requires access to the server as the nagios user, or access as the admin user via the web interface. The getprofile.sh script, invoked by downloading a system profile (profile.php?cmd=download), is executed as root via a passwordless sudo entry; the script executes check_plugin, which is owned by the nagios user. A user logged into Nagios XI with permissions to modify plugins, or the nagios user on the server, can modify the check_plugin executable and insert malicious commands to execute as root.
The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
| Link | Tags |
|---|---|
| https://github.com/jakgibb/nagiosxi-root-rce-exploit | third party advisory exploit |
| http://packetstormsecurity.com/files/156676/Nagios-XI-Authenticated-Remote-Command-Execution.html | exploit vdb entry third party advisory |
| http://packetstormsecurity.com/files/162158/Nagios-XI-getprofile.sh-Remote-Command-Execution.html | exploit vdb entry third party advisory |