smart-sso through 2.0.1 Incorrect Authorization in PermissionFilter Enables Admin Escalation

Summary

smart-sso through 2.0.1 contains an incorrect authorization vulnerability in PermissionFilter that allows any authenticated user to call admin console APIs because unlisted paths are permitted by default. Attackers can call /admin/user-role/save to assign themselves the administrator role, reset passwords, and manage users, roles, and applications across integrated systems.

Remediation

1. Inventory every a466350665 smart-sso deployment, including staging.
2. No fixed version appears in the public sources yet. Check the references below and the vendor directly.

References

• Patchhttps://github.com/a466350665/smart-sso/commit/9bccabaa5ec5
• Patchhttps://github.com/a466350665/smart-sso/commit/a74a791bea7fc7b06ce95f52ce5805d8d7886d48
• Advisoryhttps://www.vulncheck.com/advisories/smart-sso-through-2.0.1-incorrect-authorization-in-permissionfilter-enables-admin-escalation
• Referencehttps://github.com/a466350665/smart-sso/issues/79
• Referencehttps://github.com/a466350665/smart-sso
• Referencehttps://github.com/a466350665/smart-sso/blob/91d2dfef8973d308fa1b762e4c86dfbcbe9793ff/smart-sso-starter/smart-sso-starter-client/src/main/java/openjoe/smart/sso/client/filter/PermissionFilter.java#L38-L47
• Referencehttps://github.com/a466350665/smart-sso/blob/91d2dfef8973d308fa1b762e4c86dfbcbe9793ff/smart-sso-server/src/main/java/openjoe/smart/sso/server/controller/admin/UserRoleController.java