VRT Advisories


VRT Rules 2008-07-08

Sourcefire VRT Rules Update

Date: 2008-07-08

Synopsis:

The Sourcefire VRT is aware of multiple vulnerabilities affecting Microsoft products.

Details:

Microsoft Security Advisory (MS08-037):
Microsoft Windows DNS client and server are prone to a DNS spoofing vulnerability that may allow an attacker to redirect network traffic.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 3 and SID 13887. In addition, a previously released rule will detect attacks targeting this vulnerability and is identified with GID 3 and SID 13667.

Microsoft Security Advisory (MS08-038):
Microsoft Windows Explorer does not correctly parse search files when saving. Explorer may exit and restart in an exploitable manner, allowing a remote attacker to execute code on an affected system in the context of the current user.

Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 3, SIDs 13893 and 13911.

Microsoft Security Advisory (MS08-039):
Microsoft Outlook Web Access for Exchange Server is vulnerable to a cross site scripting attack that may allow remote attackers to escalate their level of privilege on an affected system.

Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 3, SIDs 13894 and 13895.

Microsoft Security Advisory (MS08-040):
Microsoft SQL Server contains multiple vulnerabilities that may allow an attacker to escalate their level of privilege on an affected system.

Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 3, SIDs 13888 through 13892.

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.