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

CVE-2019-10754

High
8.1/10

Summary

Multiple classes used within Apereo CAS before version 5.3.12.1, 6.0.x before 6.0.5.1 and 6.1.x up to 6.1.0-RC5 makes use of apache commons-lang3 RandomStringUtils for token and ID generation which makes them predictable due to RandomStringUtils PRNG's algorithm not being cryptographically strong.

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