Security Advisory SA20377 - Secure Elements Class 5 AVR Message Encryption Security Issue

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Secunia Advisory SA20377

Secure Elements Class 5 AVR Message Encryption Security Issue

Secunia Advisory

SA20377

Release Date

2006-05-31

Last Update

2006-06-07

Popularity

7,208 views

Comments

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Criticality level

Not critical

Impact

Exposure of sensitive information

Where

From local network

Authentication level

This information is available to Secunia VIM customers

Report reliability

This information is available to Secunia VIM customers

Solution Status

Unpatched

Systems affected

This information is available to Secunia VIM customers

Approve distribution

This information is available to Secunia VIM customers

Remediation status

Secunia VIM

Operating System

Secure Elements C5 Enterprise Vulnerability Management (EVM) 2.x

Secunia CVSS Score

This information is available to Secunia VIM Customers

CVE Reference(s)

CVE-2006-2711 CVSS score available to Secunia VIM customers

Description

A security issue has been reported in Secure Elements Class 5 AVR, which potentially can be exploited by malicious people to disclose certain sensitive information.

The security issue is caused due to the same encryption key and initialization vector being used to encrypt messages for every message session. This potentially allows an attacker to discover some information about the encrypted messages.

The security issue has been reported in version 2.8.1. Prior versions may also be affected.

Solution
Restrict access of the network to trusted users only.

Provided and/or discovered by
Discovered by NCIRT lab and reported via US-CERT.

Changelog
Further details available to Secunia VIM customers

Original Advisory
US-CERT VU#346377:
http://www.kb.cert.org/vuls/id/346377

Deep Links
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Secure Elements Class 5 AVR Message Encryption Security Issue

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Secunia Advisory SA20377

Secure Elements Class 5 AVR Message Encryption Security Issue

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