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Sourcefire VRT Advisory

Vulnerabilities in Microsoft UPnP Service and Microsoft Agent

2007-04-10

Synopsis:

The Sourcefire VRT is aware of vulnerabilities affecting hosts using Microsoft UPnP service and the Microsoft Agent.

Details:

Microsoft Security Bulletin (MS07-019): Microsoft Universal Plug and Play does not correctly handle malformed HTTP requests. This may allow an attacker to overflow a buffer and execute code on a vulnerable host.

A rule to detect attacks targeting this vulnerability is included in this release and is identified as SID 10475

Microsoft Security Bulletin (MS07-020): Microsoft Agent does not correctly handle malformed URLs. This may allow an attacker to cause a buffer overflow condition to occur and subsequently, execute code on an affected system.

Previously released rules will generate events when attempts are made to exploit this condition. These rules are identified as SIDs 4172 and 8846 through 8856. In addition, new rules are included in this release to detect attacks targeting this vulnerability and are identified as SIDs 10465 and 10474.

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About the VRT:
The Sourcefire VRT is a group of leading edge intrusion detection and prevention experts working to proactively discover, assess and respond to the latest trends in hacking activity, intrusion attempts and vulnerabilities. This team is also supported by the vast resources of the open source Snort community, making it the largest group dedicated to advances in network security industry.

About Sourcefire
Sourcefire, Inc. (Nasdaq: FIRE), Snort creator and open source innovator, is a world leader in Enterprise Threat Management (ETM) solutions. Sourcefire is transforming the way Global 2000 organizations and government agencies manage and minimize network security risks with its 3D Approach - Discover, Determine, Defend - to securing real networks. The Sourcefire 3D System is the first to unify IPS, NBA, NAC and Vulnerability Assessment technologies under the same management console. This ETM approach affords customers with an efficient and effective layered security defense - protecting network assets before, during and after an attack. Through the years, Sourcefire has been consistently recognized for its innovation and industry leadership by customers, media and industry analysts alike - with more than 30 awards and accolades. Recently, Sourcefire was positioned in the Leaders Quadrant of Gartner's "Magic Quadrant for Network Intrusion Prevention System Appliances 2H06" report, and the Sourcefire 3D System was named "Best Security Solution" at the 2006 SC Magazine Awards. Today, the names Sourcefire and founder Martin Roesch have grown synonymous with innovation and network security intelligence.

For more information about Sourcefire, please visit www.sourcefire.com.