VRT Advisories


VRT Rules 2007-08-21

Sourcefire VRT Rules Update

Date: 2007-08-21

Synopsis:

The Sourcefire VRT has continued research into multiple vulnerabilities affecting Microsoft products and has updated a number of rules as a result of this ongoing work. The VRT is also aware of a vulnerability affecting the iPhone from Apple.

Details:

Apple iPhone Safari (MobileSafari) CVE-2007-3944:
Safari for the iPhone suffers from a programming error that may allow an attacker to execute code on an affected system.

A rule to detect attacks targeting this vulnerability is included in this release and is identified as SID 12286.

Microsoft Security Bulletin MS07-042:
Microsoft XML Core Services suffers from programming errors to the extent that it is possible for a remote attacker to execute code on an affected system. It may be possible for the attacker to take complete control of the target system.

A rule to detect attacks targeting this vulnerability has been updated and is identified as SID 12279.

Microsoft Security Bulletin MS07-043:
Programming errors affecting Object Linking and Embedding (OLE) Automation as used in various Microsoft products may allow an attacker to execute code on a vulnerable system.

A rule to detect attacks targeting this vulnerability has been updated and is identified as SID 12279.

Microsoft Security Bulletin MS07-044:
Microsoft Excel may allow an attacker to execute code via a Workspace index value which can be manipulated to cause a memory corruption on an affected system.

A rule to detect attacks targeting this vulnerability has been updated and is identified as SID 12284.

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.