VRT Advisories


VRT Rules 2012-05-08

Sourcefire VRT Rules Update

Date: 2012-05-08

Synopsis:

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

Details:

Microsoft Security Advisory MS12-029:
The Microsoft RTF importer contains programming errors 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 22089.

Microsoft Security Advisory MS12-030:
Microsoft Excel 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 1, SIDs 22076, 22077, 22078, 22081, 22091, 22092, 22093 and 22094.

Microsoft Security Advisory MS12-031:
Microsoft Visio 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 1, SID 22075.

Microsoft Security Advisory MS12-034:
Microsoft Office 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 22085, 22086, 22087 and 22090.

Microsoft Security Advisory MS12-035:
The Microsoft .NET Framework 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 22079 and 22080.

Additionally, the Sourcefire VRT has added and modified multiple rules in the bad-traffic, botnet-cnc, file-identify, file-office, file-other, server-mail and web-client rule sets to provide coverage for emerging threats from these technologies.

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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