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Observable Discrepancy

CVE-2017-14737

Severity Medium
Score 5.5/10

Summary

A cryptographic cache-based side channel in the RSA implementation in Botan through 1.10.16, and 1.11.0 through 2.2.0, allows a local attacker to recover information about RSA secret keys, as demonstrated by CacheD. This occurs because an array is indexed with bits derived from a secret key.

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

CWE-203 - Observable Discrepancy

The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.

Advisory Timeline

  • Published