QID 150537

QID 150537: JWT token in Authorization header uses symmetric algorithm.

During the WAS scan , it was observed that JWT token is used in Authorization header contains symmetric algorithm.

If the server is expecting RSA but is sent HMAC-SHA with RSA's public key, the server will think the public key is actually an HMAC private key. This could be used to forge any data an attacker wants.

Solution

Review the JWT token set in Authorization header to use only one selected signature algorithm.

Vendor References

CVEs related to QID 150537

Software Advisories

Advisory ID	Software	Component	Link

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