VRT Advisories


VRT Rules 2008-07-15

Sourcefire VRT Rules Update

Date: 2008-07-15

Synopsis:

The Sourcefire VRT is aware of vulnerabilities affecting Apple QuickTime and IBM Lotus Sametime.

Details:

Apple QuickTime Stack Overflow (CVE-2008-1022):
Apple QuickTime contains a programming error that may allow a remote attacker to cause a stack overflow and subsequently execute code on a vulnerable system. The problem occurs when the application processes a specially crafted VR movie file with an obj atom of zero size.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1 and SID 13920.

IBM Lotus Sametime Stack Overflow (CVE-2008-2499):
IBM Lotus Sametime contains a programming error that may allow a remote attacker to cause a stack overflow and subsequently execute code on a vulnerable system. The problem occurs when the application processes a specially crafted URL.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1 and SID 13902.

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.