Bug 2266922 (CVE-2023-51774)

Summary: CVE-2023-51774 json-jwt: bypass of identity checks via a sign/encryption confusion attack
Product: [Other] Security Response Reporter: Rohit Keshri <rkeshri>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
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Version: unspecifiedCC: jcantril, periklis
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OS: Linux   
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Bug Blocks: 2266926    

Description Rohit Keshri 2024-02-29 08:53:29 UTC
The json-jwt (aka JSON::JWT) gem 1.16.3 for Ruby sometimes allows bypass of identity checks via a sign/encryption confusion attack. For example, JWE can sometimes be used to bypass JSON::JWT.decode.

https://github.com/P3ngu1nW/CVE_Request/blob/main/novjson-jwt.md