OSVDB ID: 11652 Title: openSkat VTMF CheckGroup() Randomization Error Private Key Disclosure |
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Description |
OpenSkat contains a flaw that may allow a malicious user to crack the encryption built into the game. The issue is due to the fact that the CheckGroup() function does not properly ensure that the variable "p" contains a number which is prime, leading to a weak cryptographic key. It is possible that the flaw may allow decryption of game information, resulting in a loss of confidentiality. |
Classification |
Location:
Remote/Network Access Required
Attack Type: Cryptographic Impact: Loss of Confidentiality Exploit: Exploit Unknown Disclosure: OSVDB Verified |
Solution |
Upgrade to version 2.1 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds. |
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Credit |
Unknown or Incomplete |