VRT Advisories


June 2010 Archive

VRT Rules 2010-06-29

Sourcefire VRT Rules Update

Date: 2010-06-29

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 backdoor, dos, exploit, misc, multimedia, netbios, oracle, pop3, rpc, specific-threats, web-activex, 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.

Posted by on Jun 29, 2010



VRT Rules 2010-06-22

Sourcefire VRT Rules Update

Date: 2010-06-22

Synopsis:

This release adds and modifies rules in several categories.

Details:

As a result of ongoing research, the Sourcefire VRT has added multiple rules in the exploit, p2p, specific-threats, 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.

Posted by on Jun 22, 2010



VRT Rules 2010-06-17

Sourcefire VRT Rules Update

Date: 2010-06-17

Synopsis:

This release adds and modifies rules in several categories.

Details:

As a result of ongoing research, the Sourcefire VRT has added multiple rules in the dos, exploit, ftp, mysql, policy, rpc, specific-threats, spyware-put, web-activex, web-client, web-misc and web-php 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 Jun 17, 2010



VRT Rules 2010-06-14

Sourcefire VRT Rules Update

Date: 2010-06-14

Synopsis:

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

Details:

Apple Safari Remote Code Execution (CVE-2010-1939): Apple Safari contains a programming error that may allow a remote attacker to execute code on an affected system. The problem occurs when the browser improperly handles a deleted window object.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 16666.

Google Chrome Security Restriction Bypass (CVE-2010-1663): Google Chrome contains a programming error that may allow a remote attacker to bypass security restrictions. The problem occurs in the Google URL parsing library used by the browser.

Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 1, SIDs 16667 and 16668.

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 Jun 14, 2010



VRT Rules 2010-06-10

Sourcefire VRT Rules Update

Date: 2010-06-10

Synopsis:

The Sourcefire VRT is aware of a vulnerability affecting Microsoft Help and Support Center.

Details:

Microsoft Help and Support Center Bypass Vulnerability: Microsoft Help and Support Center contains a programming error that may allow a remote attacker to bypass security restrictions on an affected system. The error occurs when invalid hex-encoded characters are used as a parameter to a search query using the hcp:// URI schema.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 16665.

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 Jun 10, 2010



VRT Rules 2010-06-08

Sourcefire VRT Rules Update

Date: 2010-06-08

Synopsis:

The Sourcefire VRT is aware of multiple vulnerabilities affecting Microsoft products.

Details:

Microsoft Security Advisory MS10-033:
Windows Media Player contains 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 16661 and 16663.

Microsoft Security Advisory MS10-034:
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 1, SID 16635.

Microsoft Security Advisory MS10-035:
Microsoft Internet Explorer contains 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 16637, 16658 and 16659.

Microsoft Security Advisory MS10-038:
Microsoft Excel contains 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 16638 through 16641, 16643 through 16645, 16647 through 16657 and 16662.

Microsoft Security Advisory MS10-039:
Microsoft SharePoint contains a programming error that may allow a remote attacker to cause a Denial of Service (DoS) against an affected system.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 3, SID 16660.

Additionally, a previously released rule identified with GID 3, SID 16560 has been updated to include this reference for the cross-site scripting vulnerability in SharePoint.

Microsoft Security Advisory MS10-041:
The Microsoft .NET framework contains a programming error that may allow a remote attacker to tamper with data on an affected system.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 3, SID 16636.

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 Jun 08, 2010



VRT Rules 2010-06-05

Sourcefire VRT Rules Update

Date: 2010-06-05

Synopsis:

This release adds rules to the web-client category for 0-day attacks in multiple Adobe products.

Details:

The Sourcefire VRT has become aware of a 0-day vulnerability in multiple Adobe products.

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 Jun 05, 2010



VRT Rules 2010-06-03

Sourcefire VRT Rules Update

Date: 2010-06-03

Synopsis:

This release modifies rules in several categories.

Details:

As a result of ongoing research, the Sourcefire VRT has modified multiple rules in the web-client, web-cgi, web-coldfusion, web-frontpage, web-iis, web-misc, web-php, backdoor, chat, exploit, misc, multimedia, sql, spyware-put, 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 Jun 03, 2010