VRT Advisories

VRT Rules 2007-08-28

Sourcefire VRT Rules Update

Date: 2007-08-28


The Sourcefire VRT is aware of vulnerabilities affecting Trend Micro ServerProtect. Additional rules have been added to the spyware-put, backdoor and policy rule groups.


Trend Micro ServerProtect Buffer Overflows CVE-2007-4218:
Multiple buffer overflows in the ServerProtect service (SpntSvc.exe) in Trend Micro ServerProtect for Windows before Security Patch 4 allow remote attackers to execute arbitrary code via certain RPC requests to certain TCP ports.

More information is available from http://nvd.nist.gov/nvd.cfm?cvename=CVE-2007-4218.

Rules to detect attacks targeting this vulnerability are included in this release and are identified as SIDs 12309 through 12347.

As a result of ongoing research, the Sourcefire VRT has added multiple rules to the spyware-put, backdoor and policy rule groups.

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 the network security industry.