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Secure Elements Class 5 AVR client fails to validate source address of messages

Vulnerability Note VU#288121

Original Release Date: 2006-05-30 | Last Revised: 2006-06-07

Overview

The Secure Elements Class 5 AVR client fails to validate the source address of messages. This may allow an attacker to execute arbitrary code with root privileges on a vulnerable client system.

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 source address of messages that it receives.

Impact

A remote attacker may be able to execute arbitrary code with root privileges on a vulnerable client system.

Solution

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

Vendor Information

288121
 
Affected   Unknown   Unaffected

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 validates that the source address of messages received matches the address of the C5 EVM Server.

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

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: 1.24
Date Public: 2006-05-30
Date First Published: 2006-05-30
Date Last Updated: 2006-06-07 19:28 UTC
Document Revision: 8

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