tid-317
Vulnerability from emb3d
Description

If the device does not generate sufficiently random cryptographic primitives, a threat actor could predict or brute-force guess a key to either gain unauthorized access to the device or decrypt a connection. Cryptographic keys that are not generated with random “seed” information, including from Pseudo-Random Number Generators (PRNG), will lack sufficient entropy. For example, researchers have demonstrated that a large number of Internet exposed devices with TLS or SSH services utilized the same RSA moduli, which could be then used to determine the device’s private key and then used to remotely authenticate with the device.

CWE
  • CWE-331: Insufficient Entropy (Base)
  • CWE-338: Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) (Base)


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


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