VRT Advisories


VRT Rules 2013-07-09

Sourcefire VRT Rules Update

Date: 2013-07-09

Synopsis:

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

Details:

Microsoft Security Advisory MS13-052:
Programming errors in the .NET Framework and Silverlight 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 27136 and 27139.

Microsoft Security Advisory MS13-055:
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 27126 through 27135, 27137 through 27138, 27147 through 27154, and 27156 through 27157.

The Sourcefire VRT has also added and modified multiple rules in the blacklist, browser-ie, browser-plugins, deleted, dos, exploit-kit, file-multimedia, file-office, file-other, file-pdf, malware-backdoor, malware-cnc, malware-other, os-mobile, os-windows, protocol-ftp, protocol-tftp and server-webapp 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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