Vulnerability Note VU#207161

Secure Elements Class 5 AVR server fails to properly authenticate registration messages

Overview

The Secure Elements Class 5 AVR server fails to properly authenticate registration messages. This may allow an attacker to cause a denial-of-service condition on the server.

I. Description

Class 5 AVR

Secure Elements Class 5 AVR (Automated Vulnerability Remediation) is a security product that monitors and enforces security policies on network assets. Class 5 AVR is now known as C5 EVM (Enterprise Vulnerability Management). The Class 5 AVR software includes both server and client components.

Class 5 AVR client

The Class 5 AVR client listens on 60000/udp and an additional tcp port. This client receives commands sent by the Class 5 AVR server.

Class 5 AVR server

The Class 5 AVR server is available as an appliance or as software that runs on commodity hardware. The Class 5 AVR server contains information about network assets, vulnerabilities, and remediation history.

The problem

The Class 5 AVR server fails to properly authenticate registration messages.

II. Impact

An attacker may be able to cause a denial of service on the server by forging a large number of client registration messages.

III. Solution

Upgrade or patch

This issue has been resolved in C5 EVM 2.8.1.

Systems Affected

Vendor	Status	Date Notified	Date Updated
Secure Elements	Vulnerable	30-May-2006

References

http://www.secure-elements.com/products/index.htm

Credit

Thanks to the NOAA N-CIRT Lab for reporting this vulnerability.

This document was written by Will Dormann.

Other Information

Date Public:	2006-05-30
Date First Published:	2006-05-30
Date Last Updated:	2006-06-07
CERT Advisory:
CVE-ID(s):
NVD-ID(s):
US-CERT Technical Alerts:
Metric:	0.28
Document Revision:	7

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Produced 2006 by US-CERT, a government organization
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