Secure Elements Class 5 AVR client fails to properly validate a messages target CEID

2006-05-30T00:00:00
ID VU:635721
Type cert
Reporter CERT
Modified 2006-06-07T02:49:00

Description

Overview

The Secure Elements Class 5 AVR client fails to properly validate a message's target CEID. This makes attacks easier, as the attacker does not need to guess the victim's true CEID.

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 client does not validate the CEID of a message it receives.


Impact

An attacker does not need to guess the true CEID of a victim asset.


Solution

Upgrade or patch
This issue has been resolved in C5 EVM 2.8.1.


Vendor Information

635721

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Secure Elements

Notified: February 06, 2006 Updated: May 26, 2006

Status

__ Vulnerable

Vendor Statement

Remediation in C5 EVM version 2.8.1 and above

The C5 EVM Sensor now validates that the CEID of the incoming message matches its own CEID.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

CVSS Metrics

Group | Score | Vector
---|---|---
Base | N/A | N/A
Temporal | N/A | N/A
Environmental | | N/A

References

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

Acknowledgements

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

This document was written by Will Dormann.

Other Information

CVE IDs: | None
---|---
Severity Metric:** | 0.30
Date Public:
| 2006-05-30
Date First Published: | 2006-05-30
Date Last Updated: | 2006-06-07 02:49 UTC
Document Revision: | 6