VRT Advisories

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VRT Rules 2008-04-02

Sourcefire VRT Rules Update

Date: 2008-04-02

Synopsis:

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

Details:

As a result of ongoing research, the Sourcefire VRT has added multiple rules to the spyware-put and web-client 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 Apr 02, 2008



VRT Rules 2008-03-24

Sourcefire VRT Rules Update

Date: 2008-03-24

Synopsis:

The Sourcefire VRT is aware of multiple vulnerabilities affecting products from Microsoft, Trend Micro and YaSSL.

Details:

Microsoft Jet Database Engine Buffer Overflow (CVE-2008-1092):
The Microsoft Jet Database Engine contains a programming error that may allow a remote attacker to execute code via Microsoft Word.

Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 3, SIDs 13626, 13629, 13630, 13633 and 13634.

YaSSL Buffer Overflow (CVE-2008-0226):
The YaSSL libraries as used by a number of products contain multiple buffer overflow vulnerabilities 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 and SID 13593.

Trend Micro OfficeScan Buffer Overflow (CVE-2008-1365):
Trend Micro OfficeScan contains a stack overflow that may allow a remote attacker to execute code on an affected system or cause a Denial of Service (DoS) on the process.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1 and SID 13591.

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

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 24, 2008



VRT Rules 2008-03-11

Sourcefire VRT Rules Update

Date: 2008-03-11

Synopsis:

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

Details:

Microsoft Security Bulletin (MS08-014):
Microsoft Excel suffers from multiple vulnerabilities, the most serious of which may allow a remote attacker to execute code on a vulnerable system.

Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 3, SIDs 13569 through 13571 and 13582. Additional rules to detect attacks targeting these vulnerabilities are also in this release and are identified with GID 1 and SIDs 13583 through 13585.

Microsoft Security Bulletin (MS08-015):
Microsoft Outlook does not correctly handle user-supplied input to mailto URIs. This 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 and SID 13573.

Microsoft Security Bulletin (MS08-016):
Microsoft Office does not correctly handle malformed PowerPoint files. This 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 and SID 13572.

Microsoft Security Bulletin (MS08-017):
Microsoft Office Web Components suffer from multiple vulnerabilities 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 3, SIDs 13580 and 13581. Additionally, previously released rules will also detect attempts to attack these vulnerabilities and are identified with GID 1 and SIDs 4170, 4177, 7870, 7871 and 13468.

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 11, 2008



VRT Rules 2008-03-06

Sourcefire VRT Rules Update

Date: 2008-03-06

Synopsis:

This is a rule maintenance release. There are no new rules in this release.

Details:

This is a rule maintenance release. There are no new rules in this release.

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 06, 2008



VRT Rules 2008-03-04

Sourcefire VRT Rules Update

Date: 2008-03-04

Synopsis:

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

Details:

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



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