module

Nagios XI Chained Remote Code Execution

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Disclosed
04/17/2018
Created
07/25/2018

Description

This module exploits a few different vulnerabilities in Nagios XI 5.2.6-5.4.12 to gain remote root access.
The steps are:
1. Issue a POST request to /nagiosql/admin/settings.php which sets the database user to root.
2. SQLi on /nagiosql/admin/helpedit.php allows us to enumerate API keys.
3. The API keys are then used to add an administrative user.
4. An authenticated session is established with the newly added user
5. Command Injection on /nagiosxi/backend/index.php allows us to execute the payload with nopasswd sudo,
giving us a root shell.
6. Remove the added admin user and reset the database user.

Authors

Cale SmithBenny HustedJared Arave

Platform

Linux

Architectures

x86

References

Module Options

To display the available options, load the module within the Metasploit console and run the commands ‘show options’ or ‘show advanced’:

    msf > use exploit/linux/http/nagios_xi_chained_rce_2_electric_boogaloo
    msf /(o) > show actions
        ...actions...
    msf /(o) > set ACTION < action-name >
    msf /(o) > show options
        ...show and set options...
    msf /(o) > run
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