Check Point Advisories

PHF CGI Program Remote Command Execution (CVE-1999-0067)

Check Point Reference: CPAI-2003-47
Date Published: 27 May 2010
Severity: Critical
Last Updated: Sunday 19 April, 2015
Source:
Industry Reference:CVE-1999-0067
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description There exists a vulnerability in the sample cgi bin program, PHF, which is included with NCSA httpd, and Apache 1.0.3, an NCSA derivitive. By supplying certain characters with special meaning to the shell, arbitrary commands can be executed by remote users. In case of a successful attack, a remote user may retrieve any world readable files, execute arbitrary commands and create files on the server with the privileges of the httpd process which answers HTTP requests. This may be used to compromise the http server and under certain configurations gain privileged access.

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 PHF CGI Program Remote 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:  Apache Server Protection Violation.
Attack Information:  PHF CGI program remote command execution

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