2007-06-12

Synopsis:

The Sourcefire VRT is aware of vulnerabilities affecting hosts using Microsoft products.

Details:

Microsoft Security Bulletin MS07-033: Microsoft Internet Explorer suffers from multiple problems which may allow a remote attacker to execute code on an affected system.

COM Object Instantation Memory Corruption Vulnerability (CVE-2007-0218): Multiple vulnerabilities exist in the way that Internet Explorer handles ActiveX controls. It may be possible for an attacker to instantiate COM objects on a vulnerable system by using an ActiveX control.

Rules to detect attacks targeting this vulnerability were previously released and are identified as SIDs 7904, 7905, 7928, 7929, 7934, 7935, 7938, 7939, 7942 through 7945 and SIDs 7958 and 7959.

Navigation Cancel Page Spoofing Vulnerability (CVE-2007-1752): It may be possible for an attacker to display spoofed content in the Navigation cancelled information page in Internet Explorer. This may allow the attacker to execute code on an affected system.

A rule to detect attacks targeting this vulnerability is included in this release and is identified as SID 11834.

Speech Control Memory Corruption Vulnerability (CVE-2007-2222): The Microsoft Speech API contains a programming error that may allow a remote attacker to execute code on an affected system.

Rules to detect attacks targeting this vulnerability are included in this release and are identified as SIDs 11826 through 11833.

Microsoft Security Bulletin MS07-034: Microsoft Mail fails to correctly handle UNC navigation requests. An attacker could utilize this vulnerability to execute code on an affected system.

A rule to detect attacks targeting this vulnerability is included in this release and is identified as SID 11837.

Microsoft Security Bulletin MS07-034: Microsoft Visio fails to correctly validate the version number contained in a document. An attacker can utilize this flaw to execute code on an affected system.

A rule to detect attacks targeting this vulnerability is included in this release and is identified as SID 11836.

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.