VRT Advisories


VRT Rules 2013-12-10

Sourcefire VRT Rules Update

Date: 2013-12-10

Synopsis:

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

Details:

Microsoft Security Bulletin 2914486:
A programming error in the Microsoft Windows Kernel-Mode NDProxy Driver could lead to an escalation of privilege.

Rules to detect attacks targeting these vulnerabilities are included in this release and are identified with GID 1, SIDs 28867 through 28872.

Microsoft Security Bulletin MS13-096:
A coding deficiency exists in Microsoft Office TIFF processing that may lead to remote code execution.

Previously released rules will detect attacks targeting this vulnerability and have been updated with the appropriate reference information. They are included in this release and are identified with GID 1, SIDs 28464 through 28473, and 28525 through 28526.

Microsoft Security Bulletin MS13-097:
Internet Explorer suffers from programming errors that may lead to remote code execution.

Rules to detect attacks targeting these vulnerabilities are included in this release and are identified with GID 1, SIDs 28862 through 28863, 28865 through 28866, 28873 through 28878, and 28880.

Microsoft Security Bulletin MS13-099:
The Microsoft Scripting Runtime Object Library suffers from a programming error that may lead to remote code execution.

Rules to detect attacks targeting these vulnerabilities are included in this release and are identified with GID 1, SIDs 28881 through 28882.

The Sourcefire VRT has added and modified multiple rules in the blacklist, browser-ie, browser-other, browser-plugins, exploit-kit, file-office, file-pdf, malware-cnc, malware-other, os-windows 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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