VRT Advisories


VRT Rules 2013-08-13

Sourcefire VRT Rules Update

Date: 2013-08-13

Synopsis:

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

Details:

Microsoft Security Advisory MS13-059:
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 27605 through 27608, 27612 through 27616, and 27620.

Microsoft Security Advisory MS13-060:
A coding error exists in the Unicode Scripts Processor 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 27618 and 27619.

Microsoft Security Advisory MS13-064:
A coding error in Direct Access Server could lead to a Denial of Service attack.

Rules to detect attacks targeting these vulnerabilities are included in this release and are identified with GID 1, SIDs 27610 and 27611.

Microsoft Security Advisory MS13-065:
A coding error in ICMPv6 could lead to a Denial of Service attack.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 27624.

Microsoft Security Advisory MS13-066:
A coding error exists in Active Directory Federation Services that may lead to information disclosure.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 27609.

The Sourcefire VRT has also added and modified multiple rules in the app-detect, browser-ie, browser-plugins, dos, exploit-kit, file-java, file-office, file-other, malware-cnc, malware-other, os-windows, policy-other, policy-spam, protocol-icmp, protocol-imap, server-other 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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