Vulnerability Note VU#346377
Secure Elements Class 5 AVR uses the same encryption key and initialization vector for every message session
OverviewSecure 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.
I. DescriptionClass 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.
II. ImpactAn attacker may be able to discover some information about encrypted messages.
III. SolutionWe are currently unaware of a practical solution to this problem.
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 NCIRT 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: | 2006-05-30 |
| CERT Advisory: | |
| CVE-ID(s): | |
| NVD-ID(s): | |
| US-CERT Technical Alerts: | |
| Metric: | 0.12 |
| Document Revision: | 5 |
If you have feedback, comments, or additional information about this vulnerability, please send us
email.
|