VRT Advisories


November 2008 Archive

VRT Rules 2008-11-18

Sourcefire VRT Rules Update

Date: 2008-11-18

Synopsis:

The Sourcefire VRT is aware of a vulnerability affecting the HP OpenView Network Node Manager. This release also introduces two new rule groups.

Details:

This releases introduces scada.rules and web-activex.rules as new rule groups.

SCADA Rules: This group contains rules that pertain to the Supervisory Control and Data Acquisition (SCADA) protocol used for computer controlled system monitoring and process control.

Web-ActiveX Rules: This group contains rule that were formerly in the web-client.rules group. It has been created to better manage the large number of ActiveX rules now in the VRT certified rule set.

HP OpenView Network Node Manager Buffer Overflow (CVE-2008-1852):
HP OpenView Network Node Manager is prone to a buffer overflow vulnerability which may allow a remote attacker to execute code on an affected system. The application fails to correctly check the number of user-supplied sub-arguments in a request which then triggers a memory allocation failure.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 15078.

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, 2008



VRT Rules 2008-11-11

Sourcefire VRT Rules Update

Date: 2008-11-11

Synopsis:

The Sourcefire VRT is aware of vulnerabilities affecting Microsoft systems and Adobe Acrobat Reader.

Details:

Microsoft Security Advisory MS08-068:
A vulnerability in the Microsoft Server Message Block (SMB) protocol may allow a remote attacker to execute code on an affected system. The problem lies in the way that the protocol handles NTLM credentials when users attempt to login to a system.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 3, SID 15009.

Microsoft Security Advisory MS08-069:
Multiple vulnerabilities exist in Microsoft XML Core Services, the most serious of which 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 15012 and 15013.

Adobe Acrobat Reader Buffer Overflow (CVE-2008-2992):
Adobe Acrobat Reader is prone to a buffer overflow vulnerability which may allow a remote attacker to execute code on an affected system. The application fails to correctly check user-supplied data before passing to the util.printf javascript function.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 15014.

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 11, 2008



VRT Rules 2008-11-04

Sourcefire VRT Rules Update

Date: 2008-11-04

Synopsis:

The Sourcefire VRT is aware of vulnerabilities affecting Novell eDirectory, IBM DB2 and Openwsman.

Details:

Novell eDirectory Buffer Overflow (CVE-2008-4479):
Novell eDirectory contains a programming error that may allow a remote attacker to execute code on a vulnerable system. The vulnerability is exposed when the application attempts to parse a SOAP request with a long header field.

Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 1, SIDs 14989 and 14990.

IBM DB2 Buffer Overflow (CVE-2008-3854):
IBM DB2 is prone to multiple stack buffer overflows which may allow a remote attacker to cause a Denial of Service (DoS) via the use of excess data in multiple statements.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 14991.

Openwsman Buffer Overflow (CVE-2008-2234):
Openwsman contains programming errors that may allow a remote attacker to execute code on an affected system. The vulnerability may be exploited via a specially crafted HTTP header.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 14992.

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 04, 2008