Vulnerability Description
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.
CVSS Score
8.4
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Json-Jwt Project | Json-Jwt | 1.16.3 |
Related Weaknesses (CWE)
References
- https://github.com/P3ngu1nW/CVE_Request/blob/main/novjson-jwt.mdExploitThird Party Advisory
- https://github.com/P3ngu1nW/CVE_Request/blob/main/novjson-jwt.mdExploitThird Party Advisory
FAQ
What is CVE-2023-51774?
CVE-2023-51774 is a vulnerability with a CVSS score of 8.4 (HIGH). 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.
How severe is CVE-2023-51774?
CVE-2023-51774 has been rated HIGH with a CVSS base score of 8.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-51774?
Check the references section above for vendor advisories and patch information. Affected products include: Json-Jwt Project Json-Jwt.