2917 : Microsoft Access Known Database Attack
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Disclosure Date


Microsoft Access has a flaw in the encryption used to protect databases. The RC4 based encryption uses the same key for both encryption and decryption with no password/phrase. By creating a database equal in size as the target database, an attacker can use the XOR'd key stream from the newly created database to decrypt the target database.


Unknown or Incomplete


Upgrade to version 3.0 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.


Microsoft Corporation



Unknown or Incomplete

CVSSv2 Score

NVD does not currently have a CVSSv2 score assigned.


No Comments.

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