VRT Advisories

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VRT Rules 2008-09-18

Sourcefire VRT Rules Update

Date: 2008-09-18

Synopsis:

The Sourcefire VRT has added multiple rules in the web-client and exploit categories to provide coverage for emerging ActiveX control and exploit threats.

Details:

As a result of ongoing research, the Sourcefire VRT has added multiple rules to the web-client 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 Sep 18, 2008



VRT Rules 2008-09-09

Sourcefire VRT Rules Update

Date: 2008-09-09

Synopsis:

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

Details:

Microsoft Security Advisory MS08-052:
A vulnerability in Microsoft GDI may allow a remote attacker to execute code on a vulnerable system via specially crafted VML, GIF, BMP, EMF or WMF files. Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 3, SIDs 14259 through 14261.

Previously released rules will detect attacks targeting this vulnerability and are identified with GID 1, SIDs 3632 and 3634.

Microsoft Security Advisory MS08-053:
Windows Media Encoder 9 Series contains a vulnerability that may allow a remote attacker to execute code on an affected system via a specially crafted web page.

Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 3, SIDs 14255 through 14258.

Microsoft Security Advisory MS08-054:
Windows Media Player contains a vulnerability that may allow a remote attacker to execute code on an affected system via a specially crafted file streamed from a Windows Media Server.

Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 3, SIDs 14252 through 14254.

Microsoft Security Advisory MS08-055:
Microsoft Office contains a vulnerability that may allow a remote attacker to execute code on an affected system via a specially crafted OneNote URL.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 3, SID 14262.

Citect CitectSCADA Stack Overflow CVE-2008-2639:
The ODBC server service in Citect CitectSCADA and CitectFacilities contains a stack overflow vulnerability 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 14265.

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 Sep 09, 2008



VRT Rules 2008-08-26

Sourcefire VRT Rules Update

Date: 2008-08-26

Synopsis:

The Sourcefire VRT has added multiple rules in the web-client and exploit categories to provide coverage for emerging ActiveX control and exploit threats.

Details:

As a result of ongoing research, the Sourcefire VRT has added multiple rules to the web-client 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 Aug 26, 2008



VRT Rules 2008-08-19

Sourcefire VRT Rules Update

Date: 2008-08-19

Synopsis:

The Sourcefire VRT has added multiple rules in the spyware-put, web-client and sql categories to provide coverage for emerging spyware, ActiveX control and SQL injection threats.

Details:

As a result of ongoing research, the Sourcefire VRT has added multiple rules to the spyware-put, web-client and sql 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 Aug 19, 2008



VRT Tool 2008-08-12

Sourcefire VRT Tool Tool Update

Date: 2008-08-12

Synopsis:

The OfficeCat tool has been updated to include detection for a vulnerability in Microsoft PowerPoint.

Details:

The OfficeCat tool has been updated to include detection for a vulnerability in Microsoft PowerPoint. This vulnerability is identified with the CVE reference 2008-0120 and Microsoft Security Bulletin MS08-042.

Please send feature requests and bug reports via email to vrt@sourcefire.com. Post cards and beer can be sent to the Sourcefire VRT, 9780 Patuxent Woods Drive, Columbia, MD 21045, USA.

Additionally, malware samples would be most appreciated, please contact vrt@sourcefire.com if you have some to share.

The OfficeCat tool is able to process Word, Excel, Publisher, Project and PowerPoint files and will return the appropriate reference information should possible exploit conditions be present in the document.

OfficeCat Tool Download:

Download zip archive here.

Usage Instructions:

  1. Unzip the archive
  2. Open a command shell
  3. Execute the tool executable with a document name for checking

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.

About Sourcefire

Sourcefire, Inc., the world leader in intrusion prevention, is transforming the way organizations manage and minimize network security risks with its 3D Approach - Discover, Determine, Defend - to securing real networks in real-time. For more information about Sourcefire, please visit www.sourcefire.com.

Posted by on Aug 12, 2008



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