Check Point Advisories

Microsoft IIS WebDAV ScStoragePathFromUrl Buffer Overflow (CVE-2017-7269)

Vulnerability
Protection

Check Point Reference:	CPAI-2017-0249
Date Published:	29 Mar 2017
Severity:	Critical
Last Updated:	Wednesday 14 June, 2017
Source:
Industry Reference:	CVE-2017-7269
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Microsoft Windows Server 2003 R2
Vulnerability Description	A buffer overflow exists in Microsoft Internet Information Services 6.0. The vulnerability is due to improper validation of a long header in HTTP request. A remote attacker could exploit this vulnerability by sending a crafted request over a network to the vulnerable application. Successful exploitation could result in denial of service conditions or execute arbitrary code on the target machine.

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 Microsoft IIS WebDAV ScStoragePathFromUrl Buffer Overflow (CVE-2017-7269) 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 WebDAV ScStoragePathFromUrl Buffer Overflow (CVE-2017-7269)