Vulnerability Description
Multiple WSO2 products have been identified as vulnerable to perform user impersonatoin using JIT provisioning. In order for this vulnerability to have any impact on your deployment, following conditions must be met: * An IDP configured for federated authentication and JIT provisioning enabled with the "Prompt for username, password and consent" option. * A service provider that uses the above IDP for federated authentication and has the "Assert identity using mapped local subject identifier" flag enabled. Attacker should have: * A fresh valid user account in the federated IDP that has not been used earlier. * Knowledge of the username of a valid user in the local IDP. When all preconditions are met, a malicious actor could use JIT provisioning flow to perform user impersonation.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Wso2 | Api Manager | >= 2.5.0, < 2.5.0.32 |
| Wso2 | Identity Server | >= 5.6.0, < 5.6.0.16 |
| Wso2 | Identity Server As Key Manager | >= 5.6.0, < 5.6.0.17 |
| Wso2 | Carbon Identity Application Authentication Endpoint | < 5.11.256.3 |
| Wso2 | Carbon Identity Application Authentication Framework | < 5.11.256.3 |
Related Weaknesses (CWE)
References
- https://security.docs.wso2.com/en/latest/security-announcements/security-advisorVendor Advisory
- https://security.docs.wso2.com/en/latest/security-announcements/security-advisorVendor Advisory
FAQ
What is CVE-2023-6837?
CVE-2023-6837 is a vulnerability with a CVSS score of 8.5 (HIGH). Multiple WSO2 products have been identified as vulnerable to perform user impersonatoin using JIT provisioning. In order for this vulnerability to have any impact on your deployment, following conditi...
How severe is CVE-2023-6837?
CVE-2023-6837 has been rated HIGH with a CVSS base score of 8.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-6837?
Check the references section above for vendor advisories and patch information. Affected products include: Wso2 Api Manager, Wso2 Identity Server, Wso2 Identity Server As Key Manager, Wso2 Carbon Identity Application Authentication Endpoint, Wso2 Carbon Identity Application Authentication Framework.