VRT Advisories


VRT Rules 2006-02-23

Sourcefire VRT Update

Date: 2006-02-17

Synopsis:

The Sourcefire VRT has continued research into the recently announced vulnerabilities in Microsoft products. Additional detection has been added in this rule pack for MS06-005 and MS06-004.

Details:

Microsoft Security Bulletin MS06-005

Microsoft Media Player plugin is subject to a buffer overflow condition when handling embedded media in web pages. The plugin is used in Mozilla browsers on hosts using the Microsoft Windows operating system.

A rule to detect attacks targeting this vulnerability is included in this update and is identified as sid 5712.

Microsoft Security Bulletin MS06-004

Microsoft Internet Explorer does not properly process Windows Metafile (WMF) images. An invalid size field in the header section of a WMF image may allow an attacker to exploit an integer overflow condition and execute code of their choosing on an affected host.

A rule to detect attacks targeting this vulnerability is included in this update and is identified as sid 5713.

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 network security industry.