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Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

CVE-2021-45489

Severity High
Score 7.5/10

Summary

In NetBSD through 9.2, the IPv6 Flow Label generation algorithm employs a weak cryptographic PRNG.

  • LOW
  • NETWORK
  • NONE
  • UNCHANGED
  • NONE
  • NONE
  • HIGH
  • NONE

CWE-338 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

The product uses a Pseudo-Random Number Generator (PRNG) in a security context, but the PRNG's algorithm is not cryptographically strong.

References

Advisory Timeline

  • Published