VRT Advisories

VRT Rules 2005-08-12

Sourcefire VRT Certified Rules Update

Date: 2005-08-12


The Sourcefire Vulnerability Research Team (VRT) has learned of a serious vulnerability affecting Microsoft Windows systems, additionally exploit code that targets the vulnerability is in distribution.


A programming error in the Plug and Play (PnP) service used by Microsoft Windows machines can present a remote attacker with the opportunity to overflow a fixed length buffer, execute code on the vulnerable system and escalate privileges on the host to the extent that they could take complete control of the affected machine.

Rules to detect attacks against this vulnerability are included in this rule pack and are identified as sids 3828 through 4125.

Rule Pack Summary:

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


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.