VRT Advisories


VRT Rules 2011-10-11

Sourcefire VRT Rules Update

Date: 2011-10-11

Synopsis:

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

Details:

Microsoft Security Advisory MS11-075:
The Microsoft Windows operating system contains a programming error that may allow a remote attacker to execute code on an affected system.

Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 1, SIDs 20253 and 20254.

Microsoft Security Advisory MS11-076:
The Microsoft Windows Media Player contains a vulnerability that may allow a remote attacker to execute code on an affected system via the loading of a dynamic-link library from a remote location.

Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 1, SIDs 18496 and 18497.

Microsoft Security Advisory MS11-077:
The Microsoft Windows operating system contains a vulnerability that may allow a remote attacker to execute code on an affected system.

Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 1, SIDs 20261 and 20269.

Microsoft Security Advisory MS11-078:
Microsoft Silverlight 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 20255.

Microsoft Security Advisory MS11-079:
Microsoft Forefront contains programming errors that may allow a remote attacker to execute code on an affected system.

Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 1, SIDs 20256 through 20260 and 20272.

Microsoft Security Advisory MS11-080:
The Microsoft Windows operating system 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 20270.

Microsoft Security Advisory MS11-081:
Microsoft Internet Explorer contains multiple vulnerabilities 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 20262 through 20268 and 20273.

Microsoft Security Advisory MS11-082:
The Microsoft Host Integration Server contains a vulnerability that may allow a remote attacker to cause a Denial of Service (DoS) against a vulnerable host.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 20271.

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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