VRT Advisories


December 2010 Archive

VRT Rules 2010-12-22

Sourcefire VRT Rules Update

Date: 2010-12-22

Synopsis:

The Sourcefire VRT is aware of vulnerabilities affecting Microsoft products.

Details:

Microsoft IIS FTP Service RCE:

The Microsoft FTP Service included with IIS suffers from 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 1, SID 18243.

Microsoft Windows WMI Administrative Tools: The Microsoft WMI Administrative tools ActiveX control 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 1, SIDs 18241 and 18242.

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 Dec 22, 2010



VRT Rules 2010-12-20

Sourcefire VRT Rules Update

Date: 2010-12-20

Synopsis:

This release adds and modifies rules in several categories.

Details:

This release contains new and modified rules in the web-client 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.

why subscribe? || download rules

Posted by on Dec 20, 2010



VRT Rules 2010-12-14

Sourcefire VRT Rules Update

Date: 2010-12-14

Synopsis:

The Sourcefire VRT is aware of vulnerabilities affecting Microsoft products.

Details:

Microsoft Security Advisory MS10-090:
Microsoft Internet Explorer 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 18197 through 18199, 18216 through 18218 and 18221.

Microsoft Security Advisory MS10-091:
The Microsoft Windows Font Driver 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 18219, 18220 and 18233.

Microsoft Security Advisory MS10-093:
Microsoft Movie Maker contains a programming error that may allow a remote attacker to execute code on an affected system. The problem occurs because the application loads a library in an insecure fashion.

Rules to detect attacks targeting these vulnerabilities are included in this release and are identified with GID 3, SIDs 18210 and 18211.

Microsoft Security Advisory MS10-094:
Microsoft Windows Media Encoder contains a programming error that may allow a remote attacker to execute code on an affected system. The problem occurs because the application loads a library in an insecure fashion.

Rules to detect attacks targeting these vulnerabilities are included in this release and are identified with GID 3, SIDs 18222 through 18227.

Microsoft Security Advisory MS10-095:
Microsoft Windows 7 contains a programming error that may allow a remote attacker to execute code on an affected system. The problem occurs because the application loads a library in an insecure fashion.

Rules to detect attacks targeting these vulnerabilities are included in this release and are identified with GID 3, SIDs 18208 and 18209.

Microsoft Security Advisory MS10-096:
Microsoft Windows Address Book contains a programming error that may allow a remote attacker to execute code on an affected system. The problem occurs because the application loads a library in an insecure fashion.

Rules to detect attacks targeting these vulnerabilities are included in this release and are identified with GID 3, SIDs 18204 through 18207.

Microsoft Security Advisory MS10-097:
Microsoft Windows Address Book contains a programming error that may allow a remote attacker to execute code on an affected system. The problem occurs because the application loads a library in an insecure fashion.

Rules to detect attacks targeting these vulnerabilities are included in this release and are identified with GID 3, SIDs 18202 and 18203.

Microsoft Security Advisory MS10-101:
Microsoft Windows Server contains a programming error that may allow a remote attacker to cause a Denial of Service (DoS) against an affected system. The problem occurs when a domain controller attempts to process a malicious RPC request.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 3, SID 18215.

Microsoft Security Advisory MS10-103:
Microsoft Publisher 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 18212 through 18214, 18230 and 18231.

Microsoft Security Advisory MS10-104:
Microsoft Sharepoint Server 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 18238.

Microsoft Security Advisory MS10-105:
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 18200, 18201, 18229 and 18235 through 18237.

Exim Remote Root Vulnerability CVE-2010-4344: A heap based buffer overflow condition exists in versions of Exim prior to 4.70.

The SMTP preprocessor will generate events for attacks targeting this vulnerability, identified with GID 124, SID 2.

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 Dec 14, 2010



VRT Rules 2010-12-09

Sourcefire VRT Rules Update

Date: 2010-12-09

Synopsis:

The Sourcefire VRT is aware of a vulnerability affecting Internet Explorer.

Details:

Microsoft Internet Explorer Remote Code Execution: Microsoft Internet Explorer contains a programming error that may allow a remote attacker to execute code on an affected system. The problem occurs when the application attempts to reference memory after it has been freed.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 18196.

Additionally the Sourcefire VRT has added and modified multiple rules in the netbios and specific-threats 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 Dec 09, 2010



VRT Rules 2010-12-02

Sourcefire VRT Rules Update

Date: 2010-12-02

Synopsis:

The Sourcefire VRT is aware of vulnerabilities affecting products from Adobe and ProFTP.

Details:

Adobe Security Bulletin APSB10-26: Adobe flash player contains a programming error that may allow a remote attacker to execute code on a vulnerable system. The problem occurs when the application processes specially crafted ActionScript that causes a memory corruption to occur.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 3, SID 18180.

ProFTP Back-doored Source Code: The ProFTP source code repository was compromised on 2010-11-28 and code was added to allow for unauthorized remote access to a machine running that code.

Rules to detect activity pertaining to this back-door are included in this release and are identified with GID 1, SIDs 18181 and 18182.

Additionally the Sourcefire VRT has added and modified multiple rules in the blacklist, exploit, scan, specific-threats and web-activex 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 Dec 02, 2010