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Observable Timing Discrepancy

CVE-2025-54764

Medium
6.2/10

Summary

Mbed TLS prior to 3.6.5 allows a local timing attack against certain RSA operations, and direct calls to "mbedtls_mpi_mod_inv" or "mbedtls_mpi_gcd".

  • LOW
  • LOCAL
  • NONE
  • UNCHANGED
  • NONE
  • NONE
  • HIGH
  • NONE

CWE-208 - Observable Timing Discrepancy

Two separate operations in a product require different amounts of time to complete, in a way that is observable to an actor and reveals security-relevant information about the state of the product, such as whether a particular operation was successful or not.

References

Advisory Timeline

  • Published