VRT Advisories


October 2008 Archive

VRT Rules 2008-10-28

Sourcefire VRT Rules Update

Date: 2008-10-28

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 Oct 28, 2008



VRT Rules 2008-10-23

Sourcefire VRT Rules Update

Date: 2008-10-23

Synopsis:

The Sourcefire VRT is aware of a vulnerability affecting Microsoft DCERPC.

Details:

Microsoft Security Advisory MS08-067:
The Microsoft implementation of DCE/RPC contains a vulnerability 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 14772 through 14985.

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 Oct 23, 2008



VRT Rules 2008-10-20

Sourcefire VRT Rules Update

Date: 2008-10-20

Synopsis:

The Sourcefire VRT is aware of a vulnerability affecting the BEA WebLogic Product Suite.

Details:

BEA WebLogic Buffer Overflow (CVE-2008-4008):
BEA WebLogic Server Plugins for Apache contain a vulnerability that may allow a remote attacker to execute code on a vulnerable system. The problem occurs when the application processes overly long Transfer-Encoding parameters, which are copied to an insufficiently sized buffer, leading to a stack overflow.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 14771.

Additionally, the Sourcefire VRT has added multiple rules to the web-client category to provide coverage for emerging threats targeting web clients.

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 Oct 20, 2008



VRT Rules 2008-10-14

Sourcefire VRT Rules Update

Date: 2008-10-14

Synopsis:

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

Details:

Microsoft Security Advisory MS08-057
Microsoft Excel contains multiple vulnerabilities that may allow a remote attacker to execute code on a vulnerable system.

Rules to detect attacks targeting these vulnerabilities are included in this release and are identified with GID 3, SIDs 14641, 14642 and 14645.

Microsoft Security Advisory MS08-058
Microsoft Internet Explorer contains multiple vulnerabilities, the most serious of which may allow a remote attacker to execute code on a vulnerable system. It is also vulnerable to cross domain and cross site scripting attacks.

Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 3, SIDs 14643, 14644, 14645, 14656 and 14657.

Microsoft Security Advisory MS08-059
The Microsoft Host Integration Server contains a vulnerability that may allow a remote unauthenticated 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 14737 through 14740.

Microsoft Security Advisory MS08-060
Microsoft Windows 2000 Server contains a vulnerability that is exposed when LDAP queries are processed. This may allow a remote unauthenticated 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 3, SID 14646.

Microsoft Security Advisory MS08-062
Microsoft Internet Printing Protocol contains a vulnerability that may allow a remote unauthenticated 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 14661 through 14724.

Microsoft Security Advisory MS08-063
The Microsoft implementation of the Server Message Block (SMB) protocol contains a programming error 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 14647 through 14654.

Microsoft Security Advisory MS08-065
The Microsoft Message Queuing RPC service contains a vulnerability 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 14725 through 14736.

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 Oct 14, 2008



VRT Rules 2008-10-06

Sourcefire VRT Rules Update

Date: 2008-10-06

Synopsis:

This release contains a number of rule modifications and new rules in the netbios and exploit rule categories.

Details:

The Sourcefire Vulnerability Research Team has done significant work to enhance the accuracy and efficiency of attack detection.

Multiple rules were added or modified to reduce the possibility of false positives and to enhance detection.

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 Oct 06, 2008