VRT Advisories


VRT Rules 2009-11-10

Sourcefire VRT Rules Update

Date: 2009-11-10

Synopsis:

The Sourcefire VRT is aware of several vulnerabilities affecting Microsoft products.

Details:

Microsoft Security Advisory MS09-063:
The Web Services on Devices API (WSDAPI) in Microsoft Windows Vista contains a programming error that may allow a remote attacker to execute code on an affected system.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 3, SID 16227.

Microsoft Security Advisory MS09-064:
A vulnerability in the Microsoft License Logging Service may present a remote, unauthenticated attacker with the opportunity to execute code on a vulnerable system.

Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 3, SIDs 16238 and 16239.

Microsoft Security Advisory MS09-065:
A vulnerability exists in the Windows kernel that may allow a remote attacker to execute code on a vulnerable system.

Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 3, SIDs 16231 and 16232.

Microsoft Security Advisory MS09-066:
A programming error in the Microsoft Active Directory NTDSA implementation may allow a remote attacker to cause a Denial of Service (DoS) against an affected system.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 3, SID 16237.

Microsoft Security Advisory MS09-067:
Multiple vulnerabilities exist in Microsoft Excel that may allow a remote attacker to execute code on an affected system.

Rules to detect attacks targeting these vulnerabilities are included in this release and are identified with GID 3, SIDs 16226, 16228, 16229, 16230, 16233, 16235, 16236, 16240 and 16241.

Microsoft Security Advisory MS09-068:
A vulnerability in Microsoft Word may allow an attacker to execute code on an affected system via the processing of a specially crafted Word document.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 3, SID 16234.

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.