VRT Advisories


VRT Rules 2012-06-12

Sourcefire VRT Rules Update

Date: 2012-06-12

Synopsis:

The Sourcefire VRT is aware of vulnerabilities affecting products from Microsoft Corporation, Adobe Systems and MySQL.

Details:

Microsoft Security Bulletin MS12-037:
Microsoft Internet Explorer contains programming errors that may allow a remote attacker to execute code on a vulnerable system.

Rules to detect attacks targeting these vulnerabilities are included in this release and are identified with GID 1, SIDs 23116 through 23118, 23121 through 23126 and 23128.

Microsoft Security Bulletin MS12-038:
The Microsoft .NET implementation contains a programming error that may allow a remote attacker to execute code on a vulnerable system.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 23127.

Microsoft Security Bulletin MS12-039:
The Microsoft toStaticHTML API contains a programming error that may allow a remote attacker to execute a cross-site scripting attack against a client.

Rules to detect attacks targeting this vulnerability are included in this release and is identified with GID 1, SIDs 23136 and 23137.

Adobe Security Bulletin APSB12-14: Adobe Flash Player contains programming errors that may allow a remote attacker to execute code on a vulnerable system.

Rules to detect attacks targeting these vulnerabilities are included in this release and are identified with GID 1, SIDs 23129 through 23135.

MySQL Authentication Bypass (CVE-2012-2122): MySQL contains a programming error that may allow a remote attacker to gain privileged access to a database installation.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 23115.

Additionally, the Sourcefire VRT has added and modified multiple rules in the backdoor, bad-traffic, botnet-cnc, chat, deleted, dos, exploit, file-office, file-other, imap, indicator-obfuscation, misc, mysql, netbios, policy, server-mail, shellcode, smtp, snmp, specific-threats, sql, web-client and web-misc 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.

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.

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