VRT Advisories


May 2010 Archive

VRT Rules 2010-05-25

Sourcefire VRT Rules Update

Date: 2010-05-25

Synopsis:

This release adds and modifies rules in several categories.

Details:

As a result of ongoing research, the Sourcefire VRT has added and modified multiple rules in the web-client, web-misc, backdoor, oracle, policy and specific-threats 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.

Posted by on May 25, 2010



VRT Rules 2010-05-19

Sourcefire VRT Rules Update

Date: 2010-05-19

Synopsis:

The Sourcefire VRT is aware of a vulnerability affecting Microsoft products.

Details:

Microsoft Security Advisory (CVE-2009-3678):

The Microsoft Canonical Display Driver (cdd.dll) contains a programming error that may allow a remote attacker to execute code on a vulnerable system.

A previously released rule will detect attacks targeting this vulnerability and is identified with GID 3, SID 16222.

This rule has been updated to include reference information for this issue.

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.

Posted by on May 19, 2010



VRT Rules 2010-05-18

Sourcefire VRT Rules Update

Date: 2010-05-18

Synopsis:

This release adds and modifies rules in several categories.

Details:

As a result of ongoing research, the Sourcefire VRT has added and modified multiple rules in the web-client, web-misc, backdoor, smtp and specific-threats 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.

Posted by on May 18, 2010



VRT Rules 2010-05-13

Sourcefire VRT Rules Update

Date: 2010-05-13

Synopsis:

This release adds and modifies rules in several categories.

Details:

As a result of ongoing research, the Sourcefire VRT has added and modified multiple rules in the web-client, smtp, rpc, netbios, specific-threats and exploit 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.

Posted by on May 13, 2010



VRT Rules 2010-05-11

Sourcefire VRT Rules Update

Date: 2010-05-11

Synopsis:

The Sourcefire VRT is aware of vulnerabilities affecting products from Microsoft and Apple.

Details:

Microsoft Security Advisory MS10-030:
Microsoft Windows Mail contains a programming error that may allow a remote attacker to execute code on a vulnerable system. Exploitation can occur if the user connects to a malicious POP3 mail server.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 3, SID 16593.

Microsoft Security Advisory MS10-030:
A vulnerability in the way that Microsoft Office handles ActiveX controls may allow a remote attacker to execute code on an affected system.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 3, SID 16595.

Apple Safari Remote Code Execution Vulnerability: Apple Safari incorrectly handles parent windows which may allow a remote attacker to execute code on an affected system.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 16596.

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.

Posted by on May 11, 2010



VRT Rules 2010-05-04

Sourcefire VRT Rules Update

Date: 2010-05-04

Synopsis:

This release adds and modifies rules in several categories.

Details:

Microsoft SharePoint Server 2007 Vulnerability (CVE-2010-0817): Microsoft SharePoint Server 2007 contains an XSS (Cross-Site-Scripting) vulnerability that could allow a remote attacker to inject arbitrary web script or HTML code on an affected system.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 3, SIDs 16560.

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.

Posted by on May 04, 2010