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C#

C-sharp : Missing verification step of JWT-token

Classification

OWASP Top 10 2013
A6-Sensitive Data Exposure
OWASP Top 10 2017
A3-Sensitive Data Exposure
OWASP Top 10 2021
A2-Cryptographic FailuresA4-Insecure Design
OWASP MASVS
V8: 8.13.(L1+R/L2+R)
PCI DSS 4.0
3.6.16.2.48.3.2
HIPAA
§164.312 (a)(2)(iv)
CWE
CWE-325CWE-1032

Overview

The application is missing the required cryptographic step. This can lead to token tampering, data leakage and unpredictable application performance.

References

  1. Hacking JSON Web Tokens (JWTs) - The Startup
  2. JSON Web Token for Java - OWASP Cheat Sheet Series
  3. OWASP Top 10 2017-A3-Sensitive Data Exposure
  4. OWASP Top 10 2013-A6-Sensitive Data Exposure
  5. CWE-325: Missing Required Cryptographic Step
  6. CWE CATEGORY: OWASP Top Ten 2017 Category A6 - Security Misconfiguration
CRITICAL

DerScanner Severity Score

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See also

C#

C-sharp : JWT: None Algorithm

C#

C-sharp : Insecure data transmission: Database

C#

C-sharp : Only one of method Equals() and GetHashCode() defined