VRT Advisories


VRT Rules 2008-01-23

Sourcefire VRT Rules Update

Date: 2008-01-23

Synopsis:

The Sourcefire VRT is aware of vulnerabilities affecting Microsoft Windows Media Player and Adobe Flash Player. This release also contains rules to address CVE entries CVE-2008-0236, CVE-2008-0237, CVE-2007-3847 and CVE-2008-0248.

Details:

Microsoft Windows Media Player Buffer Overflow (CVE-2007-6401):
A buffer overflow condition in Microsoft Windows Media Player may be used by an attacker to execute code of their choosing on an affected system via a malicious .mp4 file.

Rules to detect attacks targeting this vulnerability are included in this release and are identified as SIDs 13316 through 13320.

Adobe Flash Player Input Validation Error (CVE-2007-6242):
Adobe Flash Player does not correctly validate user input when processing flash animation files. A remote attacker may use these vulnerabilities to execute code on an affected system.

Rules to detect attacks targeting this vulnerability are included in this release and are identified as SIDs 13300 and 13301.

Multiple other rule additions have been made to address vulnerabilities described in CVE entries CVE-2008-0236, CVE-2008-0237, CVE-2007-3847 and CVE-2008-0248.

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.