2006-09-15

Synopsis:

The Sourcefire VRT has learned of multiple vulnerabilities affecting hosts using the Microsoft Operating system.

Details:

Microsoft Security Bulletin MS06-054 Microsoft Publisher suffers from a programming error that may allow a remote attacker to execute code of their choosing on an affected host. The error is manifest when Publisher processes fonts embedded in a .pub file.

A Rule to detect attacks against this vulnerability is included in this rule pack and is identified as sid 8350.

Microsoft Security Bulletin MS06-053 Microsoft Indexing Service fails to correctly process user supplied input which may allow a remote attacker to execute a cross site scripting attack against a vulnerable server.

A Rule to detect attacks against this vulnerability is included in this rule pack and is identified as sid 8349.

Microsoft Security Bulletin MS06-008 A buffer overflow condition exists in the Microsoft Web Client service which may allow a remote attacker to execute code of their choosing on an affected system. The flaw can be exploited by an authenticated or guest user via RPC.

Rules to detect attacks against this vulnerability are included in this rule pack and are identified as sids 8157 through 8348.

Microsoft Security Bulletin MS06-007 The Microsoft Windows Operating system suffers from a Denial of Service (DoS) condition that is present when handling malformed IGMPv3 data.

A shared object rule to detect attacks against this vulnerability is included in this rule pack and is identified as gid 3 sid 8092.

Microsoft Security Bulletin MS06-041 The Microsoft Windows DNS Client is vulnerable to a buffer overflow condition when handling RDATA in server responses. A remote attacker can take advantage of this to execute code of their choosing on an affected system.

A new DNS dynamic preprocessor has been developed and released to detect attacks against this vulnerability. This preprocessor has the gid 131 and sids 1 through 3.

For Assistance:

• Visit the Sourcefire Customer Support site at https://support.sourcefire.com.
• Email Sourcefire Customer Support at support@sourcefire.com.
• Call Sourcefire Customer Support at 410.423.1901 or 1.800.917.4134.

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.