Check Point Advisories

Nagios XI Cmdsubsys Command Injection (CVE-2018-15709; CVE-2018-15710)

Check Point Reference: CPAI-2019-0235
Date Published: 20 Feb 2019
Severity: High
Last Updated: Wednesday 27 February, 2019
Source: Nagios Enterprises
Industry Reference:CVE-2018-15709
CVE-2018-15710
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? Nagios Enterprises Nagios XI prior to 5.5.7
Vulnerability Description An command injection vulnerability has been reported in the Command subsystem component of Nagios XI. The vulnerability is due to insufficient validation of command options submitted to ajaxhelper.php for the submitcommand action and the existence of a local privilege escalation vulnerability that allows a different vulnerable script to be executed using sudo without a password. A remote, authenticated attacker can exploit this vulnerability by sending a request with crafted options to the target system.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R80 / R77 / R75

  1. In the IPS tab, click Protections and find the Nagios XI Cmdsubsys Command Injection protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Web Server Enforcement Violation.
Attack Information:  Nagios XI Cmdsubsys Command Injection

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