Check Point Advisories

Microsoft Outlook Web Access Data Validation Cross Site Scripting (MS08-039; CVE-2008-2247)

Vulnerability
Protection

Check Point Reference:	CPAI-2008-095
Date Published:	8 Jul 2008
Severity:	Medium
Last Updated:	Wednesday 04 January, 2017
Source:	Microsoft MS08-039
Industry Reference:	CVE-2008-2247
Protection Provided by:	Security Gateway R81, R80, R77, R75, R71, R70, R65
Who is Vulnerable?	Microsoft Exchange Server 2003 Service Pack 2
Vulnerability Description	Outlook Web Access (OWA) is a webmail service of Microsoft Exchange Server 5.0 and later. The web interface of OWA resembles the interface in Microsoft Outlook. A cross-site scripting vulnerability has been detected in Outlook Web Access. The vulnerability is a result of OWA failure to properly validating e-mail fields when opening mail from within OWA. An attacker could exploit this vulnerability by sending a specially crafted e-mail message to the victim. Successful exploitation of this issue could allow the attacker to login to the OWA session, leading to elevation of privilege.
Update/Patch Avaliable	Apply patches from: MS08-039

Protection Overview

This protection will detect and block malformed SMTP messages.

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 / R71 / R70 / R65

In the IPS tab, click Protections and find the Microsoft Outlook Web Access Data Validation Cross Site Scripting (MS08-039) 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: SMTP Protection Violation.
Attack Information: Microsoft Outlook Web Access data validation cross site scripting (MS08-039)