VRT Advisories


VRT Rules 2007-06-11

Sourcefire VRT Rules Update

Date: 2007-06-11

Synopsis:

The Sourcefire VRT is aware of vulnerabilities affecting Yahoo Messenger Webcam and Microsoft Office ActiveX controls.

Details:

Yahoo Messenger Webcam ActiveX Control (CVE-2007-3148 and CVE-2007-3147):
A buffer overflow condition in the Yahoo Messenger Webcam ActiveX control may allow remote attackers to execute code on an affected machine.

Rules to detect attacks targeting this vulnerability are included in this release and are identified as SIDs 11818 through 11825.

Microsoft Office 2000 ActiveX Control (CVE-2007-2903):
A buffer overflow condition in the Microsoft Office 2000 ActiveX control may allow remote attackers to cause a Denial of Service (DoS) against an affected host.

Rules to detect attacks targeting this vulnerability are included in this release and are identified as SIDs 11622 and 11623.

Numerous other new rules and modifications to existing rules are also included in this release.

Note: In order to use the rules for Snort version 2.6, the Snort version MUST be Snort 2.6.1.5. The rules for Snort CURRENT are for the Snort version from cvs HEAD.

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.