Products & Services
Support

Product Categories


Popular Downloads


Manage Software

How to Buy

For Home

Linksys Products Store
Linksys is now part of Belkin
Products for everyone

All Ordering Options

Training & Events Partners
Guest

Vulnerability Alert

Microsoft Forefront Unified Access Gateway Web Monitor Cross-Site Scripting Vulnerability

 
Threat Type:CWE-79: Cross-Site Scripting (XSS)
IntelliShield ID:21713
Version:1
First Published:2010 November 09 18:44 GMT
Last Published:2010 November 09 18:44 GMT
Port: Not available
CVE:CVE-2010-2733
Urgency:Unlikely Use
Credibility:Confirmed
Severity:Mild Damage
CVSS Base:4.3 CVSS Calculator
CVSS Version 2.0
CVSS Temporal:3.2
Related Resources:
View related IPS Signature
 
 
Version Summary:

Microsoft Forefront Unified Access Gateway contains a vulnerability that could allow an unauthenticated, remote attacker to conduct cross-site scripting attacks.  Updates are available.

 
 
Description

Microsoft Forefront Unified Access Gateway 2010 Update 2 and prior contain a vulnerability that could allow an unauthenticated, remote attacker to conduct cross-site scripting attacks.

The vulnerability is due to errors in properly validating user-supplied input in URLs.  An unauthenticated, remote attacker could exploit the vulnerability by convincing the user to view a malicious link.  If successful, the attacker could conduct a cross-site scripting attack and capture sensitive browser-based information.

Microsoft has confirmed the vulnerability in a security bulletin and released software updates.

 
Warning Indicators

Microsoft Forefront Unified Access Gateway 2010 Update 2 and prior are vulnerable.

 
IntelliShield Analysis

The attacker cannot directly exploit this vulnerability without user interaction.  The attacker must convince a user to follow a provided link, likely included in an e-mail or instant message delivered directly to the user.  The attacker may also use social engineering techniques to make the user more interested in following the provided URL or more likely to trust the source of the link.

The Cisco Applied Intelligence team has created an Applied Mitigation Bulletin to address vulnerabilities that Microsoft disclosed in the November 2010 security bulletin release.  This Cisco bulletin, which assists administrators in identifying or mitigating these vulnerabilities using Cisco devices, is available at the following link: Cisco Applied Mitigation Bulletin: Microsoft Security Bulletin Release for November 2010

 
Vendor Announcements

Microsoft has released a security bulletin at the following link: MS10-089 

 
Impact

An unauthenticated, remote attacker could exploit this vulnerability to conduct a cross-site scripting attack and take actions in the application with the privileges of the user.  An exploit could allow the attacker to retrieve sensitive information or spoof content in the application.

 
Technical Information

The vulnerability is due to errors in properly validating user-supplied input in URLs processed by the Forefront Unified Access Gateway Web Monitor component.  The component may return unfiltered input received via URLs to the user's browser.

An unauthenticated, remote attacker could exploit this vulnerability by convincing a user to follow a link that is designed to pass malicious input to the affected application.  When processed, the input could be returned and executed in the user's browser in the security context of the affected application.  The execution of arbitrary script or HTML code could allow the attacker to take actions as the user on the site or capture sensitive browser-based information, such as recently submitted data or authentication credentials.

 
Safeguards

Administrators are advised to apply the appropriate software updates.

Users are advised not to open e-mail messages from suspicious or unrecognized sources. If users cannot verify that links or attachments included in e-mail messages are safe, they are advised not to open them.

Administrators are advised to monitor critical systems.

 
Patches/Software

Microsoft customers can obtain updates directly by using the links in the security bulletin. These updates are also distributed by Windows automatic update features and available on the Windows Update website. Microsoft Windows Server Update Services (WSUS), Systems Management Server, and System Center Configuration Manager can assist administrators in deploying software updates.


Signatures
 
Cisco Intrusion Prevention System (IPS) 6.0
Signature IDSignature NameReleaseLatest Release Date
31159/0Microsoft Forefront Unified Access Gateway Script Injection VulnerabilityS5292010 Nov 09 
 
Alert History
 

Initial Release



Product Sets
 
The security vulnerability applies to the following combinations of products.

Primary Products:
Microsoft, Inc.Forefront Unified Access Gateway 2010 Base, Update 1, Update 2

Associated Products:
N/A




Alerts and bulletins on the Cisco Security Intelligence Operations Portal are highlighted by analysts in the Cisco Threat Operations Center and represent a subset of the comprehensive content that is available through Cisco Security IntelliShield Alert Manager Service. This customizable threat and vulnerability alert service provides security staff with access to timely, accurate, and credible information about threats and vulnerabilities that may affect their environment.


LEGAL DISCLAIMER
The urgency and severity ratings of this alert are not tailored to individual users; users may value alerts differently based upon their network configurations and circumstances. THE ALERT, AND INFORMATION CONTAINED THEREIN, ARE PROVIDED ON AN "AS IS" BASIS AND DO NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE ALERT, AND INFORMATION CONTAINED THEREIN, OR MATERIALS LINKED FROM THE ALERT, IS AT YOUR OWN RISK. INFORMATION IN THIS ALERT AND ANY RELATED COMMUNICATIONS IS BASED ON OUR KNOWLEDGE AT THE TIME OF PUBLICATION AND IS SUBJECT TO CHANGE WITHOUT NOTICE. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE ALERTS AT ANY TIME.
Powered by  IntelliShield