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  3. Microsoft Forefront Unified Access Gateway Spoofing Vulnerability

Microsoft Forefront Unified Access Gateway Spoofing Vulnerability

Risk

Medium

Date Discovered

November 9, 2010

Description

Microsoft Forefront Unified Access Gateway (UAG) is prone to a spoofing vulnerability. An attacker can exploit this issue to spoof a UAG server or redirect legitimate network traffic intended for a UAG server. This may allow the attacker to masquerade as a legitimate server, aiding in further attacks.

Technologies Affected

  • Microsoft Forefront Unified Access Gateway 2010
  • Microsoft Forefront Unified Access Gateway 2010 Update 1
  • Microsoft Forefront Unified Access Gateway 2010 Update 2

Recommendations

Deploy network intrusion detection systems to monitor network traffic for malicious activity.

Deploy NIDS to monitor network traffic for signs of suspicious or anomalous traffic.

Do not accept communications that originate from unknown or untrusted sources.

Restrict access to only trusted computers or devices. Block traffic that originates from unlikely or impossible source addresses.
The vendor released an advisory and fixes to address this issue. Please see the references for more information.

Credits

Microsoft
Copyright © Symantec Corporation.
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Disclaimer
The information in the advisory is believed to be accurate at the time of publishing based on currently available information. Use of the information constitutes acceptance for use in an AS IS condition. There are no warranties with regard to this information. Neither the author nor the publisher accepts any liability for any direct, indirect, or consequential loss or damage arising from use of, or reliance on, this information.
Symantec, Symantec products, Symantec Security Response, and secure@symantec.com are registered trademarks of Symantec Corp. and/or affiliated companies in the United States and other countries. All other registered and unregistered trademarks represented in this document are the sole property of their respective companies/owners.

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