VRT Advisories


March 2010 Archive

VRT Rules 2010-03-30

Sourcefire VRT Rules Update

Date: 2010-03-30

Synopsis:

The Sourcefire VRT is aware of vulnerabilities affecting Microsoft Internet Explorer.

Details:

Microsoft Security Advisory (MS10-018):
Microsoft Internet Explorer contains several programming errors that may allow a remote attacker to execute code on an affected system.

Rules to detect attacks targeting these vulnerabilities are included in this release and are identified with GID 3, SIDs 16503 through 16512.

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 Mar 30, 2010



VRT Rules 2010-03-23

Sourcefire VRT Rules Update

Date: 2010-03-23

Synopsis:

This release adds and modifies rules in several categories and contains detection for attacks targeting a vulnerability in Apple Safari.

Details:

Apple Safari RCE (CVE-2010-0049): Apple Safari contains a programming error that may allow a remote atttacker to execute code on an affected system. The issue presents itself when the browser fails to properly process certain HTML elements concerning RTL text.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 16492.

Additionally, as a result of ongoing research, the Sourcefire VRT has added multiple rules to the specific-threats and netbios 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 Mar 23, 2010



VRT Rules 2010-03-17

Sourcefire VRT Rules Update

Date: 2010-03-17

Synopsis:

This release adds and modifies rules in several categories.

Details:

As a result of ongoing research, the Sourcefire VRT has added multiple rules to the specific-threats and spyware-put 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 Mar 17, 2010



VRT Rules 2010-03-10

Sourcefire VRT Rules Update

Date: 2010-03-10

Synopsis:

The Sourcefire VRT is aware ofa vulnerability in Microsoft Internet Explorer.

Details:

Microsoft Internet Explorer (2010-0806): Microsoft Internet Explorer contains a programming error that 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 16482.

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 Mar 10, 2010



VRT Rules 2010-03-09

Sourcefire VRT Rules Update

Date: 2010-03-09

Synopsis:

The Sourcefire VRT is aware of vulnerabilities affecting Microsoft Excel, Microsoft Movie Maker, Opera and Apache HTTPD for Windows.

Details:

Microsoft Security Advisory (MS10-016):
Microsoft Windows Movie Maker contains a programming error that 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 16472.

Microsoft Security Advisory (MS10-017):
Microsoft Excel contains several programming errors that may allow a remote attacker to execute code on an affected system.

Rules to detect attacks targeting these vulnerabilities are included in this release and are identified with GID 3, SIDs 16461 through 16471.

Apache HTTPD mod_isapi RCE (2010-0425): The mod_isapi module for the Apache HTTPD server on Microsoft Windows systems contains a programming error that may allow a remote attacker to execute code on an affected system.

Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 1, SIDs 16479 and 16480.

Opera Web Browser Integer Overflow: The Opera web browser contains a programming error that may allow a remote attacker to execute code on an affected system. The problem occurs when the browser incorrectly parses a specially crafted Content-Length header in a server response.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 16481.

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 Mar 09, 2010



VRT Rules 2010-03-04

Sourcefire VRT Rules Update

Date: 2010-03-04

Synopsis:

This release adds and modifies rules in several categories.

Details:

As a result of ongoing research, the Sourcefire VRT has added multiple rules to the specific-threats, spyware-put, web-client, backdoor, 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.

Posted by on Mar 04, 2010