CWE-323 - Reusing a Nonce, Key Pair in Encryption
- Abstraction:Base
- Structure:Simple
- Status:Incomplete
- Release Date:2006-07-19
- Latest Modification Date:2023-06-29
Weakness Name
Reusing a Nonce, Key Pair in Encryption
Description
Nonces should be used for the present occasion and only once.
Common Consequences
Scope: Access Control
Impact: Bypass Protection Mechanism, Gain Privileges or Assume Identity
Notes: Potentially a replay attack, in which an attacker could send the same data twice, could be crafted if nonces are allowed to be reused. This could allow a user to send a message which masquerades as a valid message from a valid user.
