Vulnerability Note VU#346377

Secure Elements Class 5 AVR uses the same encryption key and initialization vector for every message session

Original Release date: 30 May 2006 | Last revised: 30 May 2006

Overview

Secure Elements Class 5 AVR uses the same encryption key and initialization vector for every message session. This may allow an attacker to discover some information about encrypted messages.

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

Class 5 AVR uses the same encryption key and initialization vector for every message session.

Impact

An attacker may be able to discover some information about encrypted messages.

Solution

We are currently unaware of a practical solution to this problem.

Systems Affected (Learn More)

VendorStatusDate NotifiedDate Updated
Secure Elements Affected06 Feb 200630 May 2006
If you are a vendor and your product is affected, let us know.

CVSS Metrics (Learn More)

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

References

Credit

Thanks to the NCIRT lab for reporting this vulnerability.

This document was written by Will Dormann.

Other Information

  • CVE IDs: Unknown
  • Date Public: 30 May 2006
  • Date First Published: 30 May 2006
  • Date Last Updated: 30 May 2006
  • Severity Metric: 0.12
  • Document Revision: 5

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