VRT Advisories


VRT Rules 2009-02-10

Sourcefire VRT Rules Update

Date: 2009-02-10

Synopsis:

The Sourcefire VRT is aware of multiple vulnerabilities affecting Microsoft Internet Explorer, Exchange, SQL Server and Visio.

Details:

Microsoft Security Advisory MS09-002:
Microsoft Internet Explorer contains programming errors that may allow a remote attacker to execute code on a vulnerable system.

Rules to detect attacks targeting these vulnerabilities are included in this release and are identified with GID 3, SIDs 15304 and 15305.

Microsoft Security Advisory MS09-003:
Microsoft Exchange contains programming errors that may allow a remote attacker to execute code or cause a Denial of Service (DoS) on an affected system.

Rules to detect attacks targeting these vulnerabilities are included in this release and are identified with GID 3, SIDs 15301 and 15302.

Microsoft Security Advisory MS09-004:
A vulnerability in Microsoft SQL Server may allow a remote attacker to execute code on a vulnerable system. This issue may be exploited via the sp_replwritetovarbin stored procedure.

Rules to detect attacks targeting these vulnerabilities were included in a previous release and are identified with GID 1, SIDs 15127 through 15144.

Microsoft Security Advisory MS09-005:
Microsoft Visio contains programming errors that may allow a remote attacker to execute code on a vulnerable system via malformed Visio files.

Rules to detect attacks targeting these vulnerabilities are included in this release and are identified with GID 3, SIDs 15298, 15299 and 15303.

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.