Use of indistinguishable response time
Summary
Response time of authentication probes should be indistinguishable whether an user exists or not.
Description
This requirement aims to ensure that, regardless of the input or conditions, the response time of a system remains indistinguishable. By carefully measuring response times, an attacker may infer details about the internal operations of a system, and maybe exposing sensitive information.
Supported In
This requirement is verified in following services
| Plan | Supported |
|---|---|
| Essential | 🔴 |
| Advanced | 🟢 |
References
- CWEâ„¢-208. Observable timing discrepancy
- NIST 800-171-5_4. Employ replay-resistant authentication mechanisms
Vulnerabilities
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