Crysis keyexchange packet information disclosure

crysis-keyexchange-info-disclosure (43087) The risk level is classified as LowLow Risk


Crysis could allow a remote attacker to obtain sensitive information, caused by a design error that allows the server/clent to reply with a disconnect packet containing user credentials. By sending a keyexchange packet without an initial join packet, a remote attacker could obtain the IP address, client nicknames and status or other sensitive information from the vulnerable application.


Base Score: 5
  Access Vector: Network
  Access Complexity: Low
  Authentication: None
  Confidentiality Impact: Partial
  Integrity Impact: None
  Availability Impact: None
Temporal Score: 4.3
  Exploitability: Unproven
  Remediation Level: Unavailable
  Report Confidence: Confirmed


Obtain Information


No remedy available as of September 1, 2014.


  • EA Web site: EA : Crysis.
  • Luigi Auriemma Advisories, 15 Jun 2008: Crysis.
  • BID-29720: Crysis 'keyexchange' Packet Information Disclosure Vulnerability
  • CVE-2008-6737: Crysis 1.21 and earlier allows remote attackers to obtain sensitive player information such as real IP addresses by sending a keyexchange packet without a previous join packet, which causes Crysis to send a disconnect packet that includes unrelated log information.
  • OSVDB ID: 46260: Crysis Disconnect Packet Remote Information Disclosure
  • SA30706: Crysis Disconnect Packet Information Disclosure

Platforms Affected:

  • Electronic Arts Crysis 1.1
  • Electronic Arts Crysis 1.2
  • Electronic Arts Crysis 1.21


Jun 15, 2008

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