C5 Enterprise Vulnerability Management key weak encryption

c5evm-key-weak-encryption (26740) The risk level is classified as MediumMedium Risk

Description:

C5 Enterprise Vulnerability Management (EVM) from Secure Elements could provide weaker than expected security. Message sessions use the same encryption key and initialization vector when encrypting messages. A remote attacker could exploit this vulnerability to obtain sensitive information.


Consequences:

Obtain Information

Remedy:

Upgrade to the latest version of C5 Enterprise Vulnerability Management (2.8.1 or later), available from the C5 Enterprise Vulnerability Management (C5 EVM) Web site. See References.

References:

  • C5 Enterprise Vulnerability Management (C5 EVM) Web site: Secure Elements - Compliance and Vulnerability Management Overview.
  • BID-18191: Secure Elements Class 5 AVR Multiple Remote Vulnerabilities
  • CVE-2006-2711: Secure Elements Class 5 AVR (aka C5 EVM) 2.8.1 and earlier, and possibly later 2.8.x releases, uses the same initialization vector and key for each message session, which allows remote attackers to obtain potentially sensitive information about messages.
  • SA20377: Secure Elements Class 5 AVR Message Encryption Security Issue
  • SECTRACK ID: 1016184: C5 Enterprise Vulnerability Management Bugs Let Remote Users Access the System, Execute Arbitrary Code, Monitor Communications, and Deny Service
  • US-CERT VU#346377: Secure Elements Class 5 AVR uses the same encryption key and initialization vector for every message session
  • VUPEN/ADV-2006-2068: Secure Elements Class 5 AVR Message Encryption Information Disclosure Issue

Platforms Affected:

  • Secure Elements C5 Enterprise Vulnerability Management 2.8.1

Reported:

May 30, 2006

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