SunPCi II VNC weak authentication mechanism

sunpci-vnc-weak-authentication (9476) The risk level is classified as MediumMedium Risk


The SunPCi II Driver Software for the SunPCi II card uses a weak authentication mechanism for VNC client and server passwords. A remote attacker using a network sniffing tool could recover plaintext user passwords during VNC authentication, which could be used by the attacker to gain unauthorized access to the VNC server.


Bypass Security


No remedy available as of September 1, 2014.


  • Trust Factory Security Advisory TF20020601: SunPCi II VNC weak authentication scheme vulnerability.
  • BID-5146: Sun SunPCi II VNC Software Password Disclosure Vulnerability
  • CVE-2002-0994: SunPCi II VNC uses a weak authentication scheme, which allows remote attackers to obtain the VNC password by sniffing the random byte challenge, which is used as the key for encrypted communications.
  • OSVDB ID: 6279: SunPCi II VNC Cleartext Password Disclosure

Platforms Affected:

  • Sun Sun PCI II Driver 2.3


Jul 03, 2002

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