VRT Advisories


VRT Rules 2009-07-15

Sourcefire VRT Rules Update

Date: 2009-07-15

Synopsis:

The Sourcefire VRT is aware of multiple vulnerabilities affecting Mozilla Firefox.

Details:

Mozilla Firefox Remote Code Execution: Mozilla Firefox contains a programming error that may allow a remote attacker to execute code on an affected system. A failed attempt will cause a Denial of Service against the application. The problem occurs in the Tracemonkey JavaScript engine.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 15696.

Mozilla Firefox Stack Overflow: Mozilla Firefox contains a programming error that may allow a remote attacker to execute code on an affected system. The problem occurs when Firefox fails to correctly handle Unicode data.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 15699.

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.