VRT Advisories


VRT Rules 2007-06-13

Sourcefire VRT Rules Update

Date: 2007-06-13

Synopsis:

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

Details:

Microsoft Security Bulletin MS07-031:
The Windows Schannel Security Package may allow a remote attacker to execute code on an affected host. The issue occurs when processing certificate files during an SSL handshake.

A rule to detect attacks targeting this vulnerability is included in this release and is identified as SID 11947.

Microsoft Security Bulletin MS07-035:
The Microsoft Windows Win32 API fails to correctly handle user-supplied data. This may allow a remote attacker to execute code on a vulnerable system.

A rule to detect attacks targeting this vulnerability is included in this release and is identified as SID 11838.

Rule Pack Summary:

For a complete list of new and modified rules, click here.

Warning:

Sourcefire VRT rule packs often utilize enhancements made to Snort. Operators should upgrade to the latest revision or patch level for Snort to ensure these enhancements are available before using these rules.

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 the network security industry.