Check Point Advisories

TP-Link HTTP server ping address remote code execution (CVE-2018-3950)

Check Point Reference: CPAI-2018-1098
Date Published: 20 Nov 2018
Severity: Medium
Last Updated: Thursday 06 December, 2018
Source:
Industry Reference:CVE-2018-3950
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? TP-Link TL-R600VPN HWv3 FRNv1.3.0 TP-Link TL-R600VPN HWv2 FRNv1.2.3
Vulnerability Description An exploitable remote code execution vulnerability exists in TP-Link TL-R600VPN http server. A specially crafted IP address can cause a stack overflow, resulting in remote code execution. An attacker can send a single authenticated HTTP request to trigger this vulnerability.

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 TP-Link HTTP server ping address remote code execution (CVE-2018-3950) 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:  TP-Link HTTP server ping address remote code execution (CVE-2018-3950)

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