VRT Advisories


VRT Rules 2013-06-11

Sourcefire VRT Rules Update

Date: 2013-06-11

Synopsis:

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

Details:

Microsoft Security Advisory MS13-047:
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 26843 through 26849, 26851 through 26853, 26867 through 26876, 26878, and 26882 through 26890.

Microsoft Security Advisory MS13-049:
A programming error exists in kernel-mode drivers that may lead to remote code execution.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 3, SID 26877.

Microsoft Security Advisory MS13-051:
Microsoft Office suffers from programming errors that may lead to remote code execution.

A previously released rule will detect attacks targeting this vulnerability and has been updated with the appropriate reference information. It is included in this release and is identified with GID 1, SID 6700.

The Sourcefire VRT has also added and modified multiple rules in the blacklist, browser-ie, browser-other, browser-plugins, deleted, dos, exploit-kit, file-identify, file-image, file-office, file-other, indicator-obfuscation, malware-backdoor, malware-cnc, malware-other, os-windows, protocol-ftp, server-oracle, server-other and sql 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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