VRT Advisories


VRT Rules 2011-07-12

Sourcefire VRT Rules Update

Date: 2011-07-12

Synopsis:

The Sourcefire VRT is aware of vulnerabilities affecting products from Microsoft Corporation.

Details:

Microsoft Security Advisory MS11-054:
The Microsoft Windows Operating System contains a programming error that may allow a remote attacker to execute code on an affected system.

Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 1, SIDs 19467 through 19469.

Microsoft Security Advisory MS11-055:
Microsoft Visio contains a programming error that may allow a remote attacker to execute code on an affected system.

Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 1, SIDs 19465 and 19466.

Microsoft Security Advisory MS11-056:
The Microsoft Client/Server Runtime Subsystem (CSRSS) contains programming errors 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 1, SIDs 19460 through 19464.

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.

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