MASWE-0046: Crypto Keys Not Invalidated on New Biometric Enrollment
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Draft Weakness
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Check our GitHub Issues for MASWE-0046
Initial Description or Hints¶
Biometric related crypto keys should be is invalidated by default whenever new biometric enrollments are added.
Relevant Topics¶
- Enabled by default on Android but can be disabled by calling
setInvalidatedByBiometricEnrollment(false) - Disabled by default on iOS but can be enabled using
SecAccessControlCreateFlags.biometryCurrentSet(prev.touchIDCurrentSet) when setting access control (since iOS 9). This invalidates keychain items when a fingerprint is added or removed. See kSecAccessControlTouchIDCurrentSet, biometryCurrentSet.
MASTG v1 Coverage¶
No MASTG v1 tests are related to this weakness.