Sourcefire® Delivers Same Day Protection for Critical Microsoft Tuesday Vulnerabilities

Sourcefire Vulnerability Research Team Protects Users from Latest Microsoft Windows Vulnerabilities

Open source innovator and SNORT® creator, Sourcefire, Inc. (Nasdaq:FIRE), a leader in network intrusion prevention, , today announced that the Sourcefire Vulnerability Research Team (VRT) has delivered rules to protect Sourcefire customers and Snort users from eight Microsoft vulnerabilities announced today. These vulnerabilities impact Microsoft Windows, Office, Works, Works Suite, Internet Explorer, IIS, and Visual Basic.

“With the numerous Microsoft vulnerabilities disclosed today, it seems clear that security threats will not be diminishing in 2008,” said Matt Watchinski, Director of the Sourcefire Vulnerability Research Team. “Organizations need to employ a combination of security policies and proactive solutions, so that their information and assets are protected from both known and unknown threats. Sourcefire works with our users and the open source community to help ensure that their security initiatives not only protect assets, but also enable them to confidently conduct business.”

Following Microsoft’s disclosure earlier today, the Sourcefire VRT created, tested and delivered Snort rules designed to detect attacks targeting the Microsoft vulnerabilities listed below. These new rules are included in the latest Sourcefire Security Enhancement Update (SEU) released today.
Microsoft Security Bulletin MS08-004 — Vulnerability in Transmission Control Protocol/Internet Protocol (TCP/IP) processing could allow an attacker who successfully exploited this vulnerability to cause the affected system to stop responding and automatically restart.
Microsoft Security Bulletin MS08-006 — Vulnerability in Internet Information Services (IIS) exists in the way that IIS handles input to ASP Web pages. An attacker who successfully exploited this vulnerability could then perform actions on the IIS server with the same rights as the Worker Process Identity (WPI).
Microsoft Security Bulletin MS08-007 – Critical vulnerability in the WebDAV Mini-Redirector could allow an attacker to take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.
Microsoft Security Bulletin MS08-008 – Critical vulnerability that can be exploited through attacks on Object Linking and Embedding (OLE) Automation.
Microsoft Security Bulletin MS08-009 — Critical vulnerability in Microsoft Word could allow remote code execution if a user opens a specially crafted Word file. An attacker who successfully exploited this vulnerability could take complete control of an affected system.
Microsoft Security Bulletin MS08-010 — Critical vulnerabilities could allow remote code execution if a user viewed a specially crafted Web page using Internet Explorer.
Microsoft Security Bulletin MS08-011 — Vulnerabilities in the Microsoft Works File Converter could allow remote code execution if a user opens a specially crafted Works (.wps) file with an affected version of Microsoft Office, Microsoft Works, or Microsoft Works Suite. An attacker who successfully exploited this vulnerability could take complete control of an affected system.
Microsoft Security Bulletin MS08-012 — Critical vulnerabilities in Microsoft Office Publisher could allow remote code execution if a user opens a specially crafted Publisher file. An attacker who successfully exploited these vulnerabilities could take complete control of an affected system.

About the Sourcefire 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 activities, 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 the 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 equips 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. Today, the names Sourcefire and founder Martin Roesch have grown synonymous with innovation and network security intelligence. For more information about Sourcefire, please visit http://www.sourcefire.com.

SOURCEFIRE®, SNORT®, the Sourcefire logo, the Snort and Pig logo, SECURITY FOR THE REAL WORLD™, SOURCEFIRE DEFENSE CENTER™, SOURCEFIRE 3D™, RNA™, DAEMONLOGGER™, CLAMAV™, SOURCEFIRE SOLUTIONS NETWORK™, and certain other trademarks and logos are trademarks or registered trademarks of Sourcefire, Inc. in the United States and other countries. Other company, product and service names may be trademarks or service marks of others.

Contacts

Media Contact:
Welz & Weisel Communications
Tony Welz
Principal
703-218-3555 x226
tony {at} w2comm(.)com
or
Investor Contact:
Sourcefire, Inc.
Tania Almond
Investor Relations Officer
410-423-1919
tania.almond {at} sourcefire(.)com