C5 Enterprise Vulnerability Management session start denial of service

c5evm-sessionstart-dos (26779) The risk level is classified as MediumMedium Risk


C5 Enterprise Vulnerability Management (EVM) from Secure Elements is vulnerable to a denial of service caused by improper authentication of session start messages. A remote attacker could exploit this vulnerability to initiate TCP connections to arbitrary destinations to cause a denial of service condition at the server and client.


Denial of Service


Upgrade to the latest version of C5 Enterprise Vulnerability Management (2.8.1 or later), available from the C5 Enterprise Vulnerability Management Web site. See 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-2006-2706: Secure Elements Class 5 AVR server (aka C5 EVM) before 2.8.1 allows remote attackers to cause a denial of service via forged session start messages that cause AVR to connect to arbitrary hosts.
  • OSVDB ID: 26141: Secure Elements Class 5 AVR Forged session start Message DoS
  • SA20378: Secure Elements Class 5 AVR Multiple Vulnerabilities
  • 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#487617: Secure Elements Class 5 AVR server fails to properly authenticate session start messages

Platforms Affected:

  • Secure Elements C5 Enterprise Vulnerability Management prior to 2.8.1


May 30, 2006

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