VRT Advisories

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VRT Rules 2008-07-09

Sourcefire VRT Rules Update

Date: 2008-07-09

Synopsis:

This release contains a fix for a problem that prevented the rules for MS08-040 from being loaded correctly.

Details:

Microsoft Security Advisory (MS08-040):
Microsoft SQL Server contains multiple vulnerabilities that may allow remote attackers to escalate their level of privilege on affected systems.

Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 3, SIDs 13888 through 13892.

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 Jul 09, 2008



VRT Tool 2008-07-09

Sourcefire VRT Tool Tool Update

Date: 2008-07-09

Synopsis:

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

Details:

The OfficeCat tool has been updated to include detection for a vulnerability in Microsoft Word. This vulnerability is identified with the CVE reference 2008-2244.

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 Jul 09, 2008



VRT Rules 2008-07-08

Sourcefire VRT Rules Update

Date: 2008-07-08

Synopsis:

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

Details:

Microsoft Security Advisory (MS08-037):
Microsoft Windows DNS client and server are prone to a DNS spoofing vulnerability that may allow an attacker to redirect network traffic.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 3 and SID 13887. In addition, a previously released rule will detect attacks targeting this vulnerability and is identified with GID 3 and SID 13667.

Microsoft Security Advisory (MS08-038):
Microsoft Windows Explorer does not correctly parse search files when saving. Explorer may exit and restart in an exploitable manner, allowing a remote attacker to execute code on an affected system in the context of the current user.

Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 3, SIDs 13893 and 13911.

Microsoft Security Advisory (MS08-039):
Microsoft Outlook Web Access for Exchange Server is vulnerable to a cross site scripting attack that may allow remote attackers to escalate their level of privilege on an affected system.

Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 3, SIDs 13894 and 13895.

Microsoft Security Advisory (MS08-040):
Microsoft SQL Server contains multiple vulnerabilities that may allow an attacker to escalate their level of privilege on an affected system.

Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 3, SIDs 13888 through 13892.

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 Jul 08, 2008



VRT Rules 2008-07-01

Sourcefire VRT Rules Update

Date: 2008-07-01

Synopsis:

The Sourcefire VRT has added multiple rules in the spyware-put and backdoor categories to provide coverage for emerging spyware and backdoor threats.

Details:

As a result of ongoing research, the Sourcefire VRT has added multiple rules to the spyware-put and backdoor 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 Jul 01, 2008



VRT Rules 2008-06-24

Sourcefire VRT Rules Update

Date: 2008-06-24

Synopsis:

The Sourcefire VRT is aware of vulnerabilities affecting Adobe Photoshop and HP Instant Support DataManager.

Details:

Adobe BMP Handling Buffer Overflow (CVE-2008-1765):
Adobe Photoshop Album Starter Edition contains a programming error that may allow a remote attacker to execute code on a vulnerable system. The problem arises when the application attempts to process a specially crafted bitmap (BMP) image.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1 SID 13865.

HP Instant Support Remote Unauthorized Access (CVE-2008-0953):
The HP Instant Support ActiveX control contains a programming error that may allow a remote attacker to take control of an affected system.

Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 1 and SIDs 13857 through 13860.

Additionally, as a result of ongoing research, the Sourcefire VRT has added multiple rules to the spyware-put and backdoor 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 24, 2008



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