VRT Advisories

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VRT Rules 2009-11-23

Sourcefire VRT Rules Update

Date: 2009-11-23

Synopsis:

The Sourcefire VRT is aware of a vulnerability in Microsoft Internet Explorer.

Details:

Microsoft Internet Explorer Code Execution: Microsoft Internet Explorer suffers from a programming error that may allow a remote attacker to execute code on an affected system. The issue is present when the application attempts to parse an invalid reference type in an HTML tag. This affects Internet Explorer versions 6 and 7 and does not affect version 8.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 16310.

Additionaly, rules have been added in the specific-threats, web-activex and oracle 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 Nov 23, 2009



VRT Rules 2009-11-18

Sourcefire VRT Rules Update

Date: 2009-11-18

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, web-misc, web-client, oracle 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 Nov 18, 2009



VRT Rules 2009-11-13

Sourcefire VRT Rules Update

Date: 2009-11-13

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, web-misc, p2p, backdoor 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 Nov 13, 2009



VRT Rules 2009-11-10

Sourcefire VRT Rules Update

Date: 2009-11-10

Synopsis:

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

Details:

Microsoft Security Advisory MS09-063:
The Web Services on Devices API (WSDAPI) in Microsoft Windows Vista 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 16227.

Microsoft Security Advisory MS09-064:
A vulnerability in the Microsoft License Logging Service may present a remote, unauthenticated attacker with the opportunity 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 16238 and 16239.

Microsoft Security Advisory MS09-065:
A vulnerability exists in the Windows kernel that 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 16231 and 16232.

Microsoft Security Advisory MS09-066:
A programming error in the Microsoft Active Directory NTDSA implementation 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 16237.

Microsoft Security Advisory MS09-067:
Multiple vulnerabilities exist in Microsoft Excel 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 16226, 16228, 16229, 16230, 16233, 16235, 16236, 16240 and 16241.

Microsoft Security Advisory MS09-068:
A vulnerability in Microsoft Word may allow an attacker to execute code on an affected system via the processing of a specially crafted Word document.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 3, SID 16234.

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 Nov 10, 2009



VRT Rules 2009-11-03

Sourcefire VRT Rules Update

Date: 2009-11-03

Synopsis:

The Sourcefire VRT is aware of several vulnerabilities in Adobe Shockwave Player.

Details:

Adobe Shockwave Player Memory Corruption (APSB09-16): Adobe Shockwave 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 16220.

Adobe Shockwave Player Remote Code Execution (APSB09-16): Adobe Director 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 16223.

Adobe Shockwave Player Memory Corruption (APSB09-16): Adobe Shockwave contains an additional 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 16225.

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 Nov 03, 2009



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