VRT Advisories

VRT Rules 2010-12-02

Sourcefire VRT Rules Update

Date: 2010-12-02


The Sourcefire VRT is aware of vulnerabilities affecting products from Adobe and ProFTP.


Adobe Security Bulletin APSB10-26: Adobe flash player contains a programming error that may allow a remote attacker to execute code on a vulnerable system. The problem occurs when the application processes specially crafted ActionScript that causes a memory corruption to occur.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 3, SID 18180.

ProFTP Back-doored Source Code: The ProFTP source code repository was compromised on 2010-11-28 and code was added to allow for unauthorized remote access to a machine running that code.

Rules to detect activity pertaining to this back-door are included in this release and are identified with GID 1, SIDs 18181 and 18182.

Additionally the Sourcefire VRT has added and modified multiple rules in the blacklist, exploit, scan, specific-threats and web-activex rule sets to provide coverage for emerging threats from these technologies.

Rule Pack Summary:

For a complete list of new and modified rules, click here.


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.

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