National Cyber-Alert System

Vulnerability Summary for CVE-2008-2005

Overview

The SuiteLink Service (aka slssvc.exe) in WonderWare SuiteLink before 2.0 Patch 01, as used in WonderWare InTouch 8.0, allows remote attackers to cause a denial of service (NULL pointer dereference and service shutdown) and possibly execute arbitrary code via a large length value in a Registration packet to TCP port 5413, which causes a memory allocation failure.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

Vendor Statments (disclaimer)

Official Statement from Wonderware (05/20/2008)

Wonderware, a business unit of Invensys, is a pioneer in the secure use of Microsoft Windows software for industrial applications and a leader in the field of Industrial Automation security. Wonderware is also committed to active collaboration and involvement with customers and industry standards authorities to provide secure applications, security best practices, deployment guidelines, tools and prescriptive guidance for maintaining a secure automation environment. Recently, a vulnerability was discovered in SuiteLink Version 2.0 which could potentially expose an unsecured automation network to a denial of service attempt. While there is no indication whatsoever of the existence of an exploit for this issue, Wonderware published a Technical Alert describing the issue and released a Patch in April to resolve the problem. The vulnerability is closed in SuiteLink Version 2.0 Patch 01 and Wonderware is urging Customers to install the patch as soon as possible. More details can be found in Tech Alert 106 posted on the Wonderware Technical Support website. Customers who have not yet signed up for access to the Wonderware Technical Support website can register here free of charge to read the Tech Alert and receive the patch. For customers on an active support program, Wonderware has also created the Wonderware Security Central Home Page to help our customers with security issues. Here we have posted “Securing Industrial Control Systems”, a security guidance manual describing recommended security protocols for automation enterprises and installations in a Microsoft environment. Customers, System Integrators, and IT professionals who build and maintain automation networks are advised to read and understand the manual, and to apply the design recommendations to their automation environment to mitigate security risks properly for all forms of security threats. Wonderware Technical Support is also available to help customers needing advanced security assistance. More information is available about Wonderware Customer Support Programs by clicking here or by telephone at 1-800-WONDER-1 or by email at support@wonderware.com. Wonderware also makes every effort to support Microsoft Security Updates within 15 business days of release. Information regarding Microsoft Security Update compatibility can be found on the Wonderware Security Central Home Page. Wonderware will continue to provide guidance on security issues and to respond responsibly to security issues to serve our customers and to help them protect their operations.

References to Advisories, Solutions, and Tools

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Vulnerable software and versions

Configuration 1

OR

* cpe:/a:wonderware:intouch:8.0

* cpe:/a:wonderware:suitelink:2.0

* Denotes Vulnerable Software

* Changes related to vulnerability configurations