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Sourcefire VRT Advisory

Microsoft Outlook and Adobe Acrobat Reader Vulnerabilities

2007-01-09

Synopsis:

The Sourcefire Vulnerability Research Team (VRT) has discovered a serious vulnerability affecting Microsoft Outlook and is aware of a vulnerability affecting Adobe Acrobat Reader.

Details:

Microsoft Security Bulletin MS07-003: The Sourcefire VRT has discovered a remotely exploitable vulnerability in Microsoft Outlook when it is used to process iCal calendar requests. iCal files may be used in meeting requests and can be sent to recipients using email. Included in an iCal request is time zone data that is used on the system to automatically populate the calendar in Outlook with the contents of the file.

An error in the processing of time zone data in a VEVENT record of an iCal file may allow a remote attacker to execute arbitrary code on a vulnerable system with the privileges of the current user. This may lead to the complete compromise of an affected host.

A rule to detect attacks targeting this vulnerability is included in this release and is identified as SID 9841.

Adobe Acrobat Reader Plugin CVE-2007-0046: The Adobe Acrobat Reader Plugin does not correctly process user-supplied input in the parameters supplied to a URI. This may allow a remote attacker to execute arbitrary code on an affected system.

Rules to detect attacks targeting this vulnerability are included in this release and are identifed as SIDs 9842 and 9843.

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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.