Check Point Advisories

Microsoft IIS 5.0 ISAPI Internet Printing Protocol Extension Buffer Overflow (CVE-2001-0241)

Vulnerability
Protection

Check Point Reference:	CPAI-2003-44
Date Published:	27 May 2010
Severity:	Critical
Last Updated:	Thursday 27 May, 2010
Source:
Industry Reference:	CVE-2001-0241
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	A buffer overflow in this extension IIS 5.0 can permit remote attackers to execute arbitrary code on the web server with the same privileges as the web server. The ISAPI .printer extension permits the submitting and controlling of print jobs over HTTP. There exists an unchecked buffer in the Host: field in ISAPI .printer HTTP requests; a malicious HTTP request can execute arbitrary code on the remote machine using the web server's permissions.

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 Microsoft IIS 5.0 ISAPI Internet Printing Protocol Extension Buffer Overflow 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: Microsoft IIS 5.0 ISAPI internet printing protocol extension buffer overflow