Check Point Advisories

D-Link 850L Router Cookie Overflow Remote Code Execution (CVE-2016-5681)

Check Point Reference: CPAI-2017-0851
Date Published: 18 Oct 2017
Severity: Critical
Last Updated: Wednesday 18 October, 2017
Source:
Industry Reference:CVE-2016-5681
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? DIR-850L B1 2.07 before 2.07WWB05DIR-817 AxDIR-818LW Bx before 2.05b03beta03DIR-822 C1 3.01 before 3.01WWb02DIR-823 A1 1.00 before 1.00WWb05DIR-895L A1 1.11 before 1.11WWb04DIR-890L A1 1.09 before 1.09b14DIR-885L A1 1.11 before 1.11WWb07DIR-880L A1 1.07 before 1.07WWb08DIR-868L B1 2.03 before 2.03WWb01DIR-868L C1 3.00 before 3.00WWb01
Vulnerability Description There exists a Remote Code Execution vulnerability within D-Link 850L Routers. This is due to the way the D-Link Routers handle cookie validation. A successful attack could lead to unauthorized remote code execution.

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 D-Link 850L Router Cookie Overflow 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:  Application Servers Protection Violation.
Attack Information:  D-Link 850L Router Cookie Overflow Remote Code Execution

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