Check Point Advisories

Multiple PHP Servers C99shell Backdoor Command Execution

Check Point Reference: CPAI-2014-1682
Date Published: 2 Jul 2014
Severity: Critical
Last Updated: Sunday 19 January, 2020
Protection Provided by:

Security Gateway
R81, R80, R77, R75

Who is Vulnerable? PHP Web Servers
Vulnerability Description A command execution vulnerability has been reported in multiple PHP servers. The vulnerability is due to the existence of a backdoor file on the PHP server within a specific library. A remote attacker can exploit this vulnerability by sending a request to the malicious backdoor file.

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

  1. In the IPS tab, click Protections and find the Multiple PHP Servers C99shell Backdoor Command 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:  Multiple PHP Servers C99shell Backdoor Command Execution

This website uses cookies for its functionality and for analytics and marketing purposes. By continuing to use this website, you agree to the use of cookies. For more information, please read our Cookies Notice.