Check Point Advisories

D-Link DIR-636L Remote Command Injection and Authentication Bypass (CVE-2015-1187)

Vulnerability
Protection

Check Point Reference:	CPAI-2015-0957
Date Published:	9 Aug 2015
Severity:	High
Last Updated:	Thursday 13 August, 2015
Source:
Industry Reference:	CVE-2015-1187
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	D-Link DIR-626L (Rev A) - v1.04b04 D-Link DIR-636L (Rev A) - v1.04 D-Link DIR-808L (Rev A) - v1.03b05 D-Link DIR-810L (Rev A) - v1.01b04 D-Link DIR-810L (Rev B) - v2.02b01 D-Link DIR-820L (Rev A) - v1.02B10 D-Link DIR-820L (Rev A) - v1.05B03 D-Link DIR-820L (Rev B) - v2.01b02 D-Link DIR-826L (Rev A) - v1.00b23 D-Link DIR-830L (Rev A) - v1.00b07 D-Link DIR-836L (Rev A) - v1.01b03 TRENDnet TEW-731BR (Rev 2) - v2.01b01
Vulnerability Description	Remote command injection and authentication bypass vulnerabilities exist in D-Link routers. The vulnerabilities are due to incorrectly filtering input on the 'ping' and 'fwupgrade' tools which allows to inject arbitrary commands into the router and file upload without authentication. A remote attacker can exploit this weakness via a specially crafted request.

Protection Overview

This protection will detect and block 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

In the IPS tab, click Protections and find the D-Link DIR-636L Remote Command Injection and Authentication Bypass protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Web Server Enforcement Violation.
Attack Information: D-Link DIR-636L Remote Command Injection and Authentication Bypass