Check Point Advisories

WordPress Captcha Plugin Backdoor

Vulnerability
Protection

Check Point Reference:	CPAI-2017-1083
Date Published:	21 Dec 2017
Severity:	Critical
Last Updated:	Thursday 21 December, 2017
Source:
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	WordPress Captcha Plugin
Vulnerability Description	A backdoor vulnerability exists in WordPress Captcha plugin. Successful exploitation of this vulnerability allows remote attackers to change the effected site's content.

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

In the IPS tab, click Protections and find the WordPress Captcha Plugin Backdoor 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: WordPress Enforcement Protection.
Attack Information: WordPress Captcha Plugin Backdoor