VRT Advisories


VRT Rules 2007-06-19

Sourcefire VRT Rules Update

Date: 2007-06-19

Synopsis:

The Sourcefire VRT has added rules to the Backdoor and Spyware-put categories and has also improved detection functionality for the Samba call_trans2open buffer overflow vulnerability.

Details:

As a result of ongoing research, the Sourcefire VRT has added rules to the Backdoor and Spyware-put categories.

Samba call_trans2open Buffer Overflow (CVE-2003-0201):
The Sourcefire VRT has improved detection functionality for the Samba call_trans2open buffer overflow vulnerability.

The Samba network file server suffers from a programming error that may allow an attacker to execute code on a vulnerable host via a long pathname argument in a trans2open request.

Rules to detect attacks targeting this vulnerability are included in this release and are identified as SIDs 11955 through 11964.

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.