VRT Advisories


November 2010 Archive

VRT Rules 2010-11-23

Sourcefire VRT Rules Update

Date: 2010-11-23

Synopsis:

This release adds and modifies rules in several categories.

Details:

As a result of ongoing research, the Sourcefire VRT has added and modified multiple rules in the blacklist, chat, shellcode and web-misc 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.

why subscribe? || download rules

Posted by on Nov 23, 2010



VRT Rules 2010-11-16

Sourcefire VRT Rules Update

Date: 2010-11-16

Synopsis:

The Sourcefire VRT is aware of a vulnerability affecting Adobe Reader and Acrobat.

Details:

Adobe Security Bulletin APSB10-28: Adobe Reader and Acrobat contain a programming error that may allow a remote attacker to execute code on an affected system. The problem lies within the usage of the printSeps function.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 3, SID 18102.

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.

why subscribe? || download rules

Posted by on Nov 16, 2010



VRT Rules 2010-11-09

Sourcefire VRT Rules Update

Date: 2010-11-09

Synopsis:

The Sourcefire VRT is aware of vulnerabilities affecting Microsoft products.

Details:

Microsoft Security Advisory MS10-087:
Microsoft Office contains programming errors 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 18063, 18067, 18068 and 18069.

Microsoft Security Advisory MS10-088:
Microsoft Office PowerPoint contains programming errors 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 18065 and 18066.

Microsoft Security Advisory MS10-089:
Microsoft ForeFront United Gateway contains programming errors 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 18072, 18073, 18074 and 18076.

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.

why subscribe? || download rules

Posted by on Nov 09, 2010



VRT Rules 2010-11-04

Sourcefire VRT Rules Update

Date: 2010-11-04

Synopsis:

The Sourcefire VRT is aware of vulnerabilities affecting Microsoft Internet Explorer and ProFTP.

Details:

Microsoft Security Advisory (CVE-2010-3962):
Microsoft Internet Explorer contains a programming error that may allow a remote attacker to execute code on a vulnerable system. The error occurs when the application attempts to access an invalid flag reference after an object is deleted.

A rule to detect attacks targeting this issue is included in this release and is identified with GID 3, SID 18062.

ProFTP Remote Code Execution (CVE-2010-3867): ProFTP contains a programming error that may allow a remote attacker to execute code on an affected system.

The FTP-Telnet preprocessor will detect attacks targeting this issue, with GID 125 SID 1.

Additionally, multiple rules have been added to the spyware-put, specific-threats, blacklist and phishing-spam 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.

why subscribe? || download rules

Posted by on Nov 04, 2010



VRT Rules 2010-11-02

Sourcefire VRT Rules Update

Date: 2010-11-02

Synopsis:

The Sourcefire VRT is aware of a vulnerability affecting Adobe Flash Player, Adobe Reader and Acrobat.

Details:

Adobe Security Bulletin APSA10-05: Adobe Flash Player contains a programming error that may allow a remote attacker to execute code on an affected system. This issue also affects Adobe Reader and Acrobat.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 17808.

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.

why subscribe? || download rules

Posted by on Nov 02, 2010