Check Point Advisories

Nuuo NVR PHP System Function Unauthenticated Remote Code Execution (CVE-2016-5675)

Check Point Reference: CPAI-2016-0825
Date Published: 6 Oct 2016
Severity: Critical
Last Updated: Thursday 13 October, 2016
Source:
Industry Reference:CVE-2016-5675
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? NUUO NVRmini 2, versions 1.7.5 to 3.0.0
NUUO NVRsolo, versions 1.0.0 to 3.0.0
NUUO Crystal, versions 2.2.1 to 3.2.0
ReadyNAS Surveillance x86 and ARM versions 1.1.1 to 1.4.1
Vulnerability Description A remote code execution was discovered in Nuuo Network Video Recording systems with Network Attached Storage. The vulnerability is due to fails in sanitising by the PHP system() function. An unauthenticated attacker may use this vulnerability to execute code on the vulnerable server.

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 Nuuo NVR PHP System Function Unauthenticated Remote Code Execution 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:  Nuuo NVR PHP System Function Unauthenticated Remote Code Execution

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