Summary
youlai-boot contains a missing authorization check in the user-status update handler, allowing any authenticated user to change account enablement status. An attacker may disable root or administrator accounts to cause an administrative lockout or re-enable accounts that were intentionally disabled.
youlai-boot contains a missing authorization check in the user-status update handler, allowing any authenticated user to change account enablement status. An attacker may disable root or administrator accounts to cause an administrative lockout or re-enable accounts that were intentionally disabled.
Affected context
The issue affects deployments of youlai-boot through version 2.21.1 where the user-status update endpoint is reachable by authenticated users and the corresponding handler does not enforce an administrator-only authorization policy. The risk is greatest when ordinary authenticated accounts can reach this administrative function.
The issue affects deployments of youlai-boot through version 2.21.1 where the user-status update endpoint is reachable by authenticated users and the corresponding handler does not enforce an administrator-only authorization policy. The risk is greatest when ordinary authenticated accounts can reach this administrative function.
Exploit preconditions
- Attack surface: Authenticated API access to the user-status management functionality
- Required access: Any valid authenticated user account, unless additional external access controls restrict the endpoint
- Trigger point: Processing of a request that changes a selected user's enabled or disabled status
- Why exploitation is possible: The updateUserStatus handler lacks a required authorization check, so authentication is enforced without adequately verifying administrative privilege
- Attack surface: Authenticated API access to the user-status management functionality
- Required access: Any valid authenticated user account, unless additional external access controls restrict the endpoint
- Trigger point: Processing of a request that changes a selected user's enabled or disabled status
- Why exploitation is possible: The updateUserStatus handler lacks a required authorization check, so authentication is enforced without adequately verifying administrative privilege
Why this happens
The underlying defect is an authorization enforcement gap. The handler authenticates the caller but does not apply a role- or permission-based policy before performing a sensitive account-state modification. This maps to CWE-862: Missing Authorization, where a protected operation lacks an effective access-control check.
The underlying defect is an authorization enforcement gap. The handler authenticates the caller but does not apply a role- or permission-based policy before performing a sensitive account-state modification. This maps to CWE-862: Missing Authorization, where a protected operation lacks an effective access-control check.
Potential impact
- An attacker may disable root or administrator accounts
- Administrative users could be locked out of the application
- Previously disabled accounts could be re-enabled without approval
- Account governance and incident-response controls could be weakened
- Unauthorized account-state changes could disrupt availability and administration
- An attacker may disable root or administrator accounts
- Administrative users could be locked out of the application
- Previously disabled accounts could be re-enabled without approval
- Account governance and incident-response controls could be weakened
- Unauthorized account-state changes could disrupt availability and administration
General mitigation guidance
Mitigation generally focuses on enforcing authorization at the server-side operation boundary rather than relying on authentication alone.
Common defensive patterns include:
- Applying explicit, deny-by-default permission checks to account-status changes
- Restricting the operation to narrowly defined administrative roles or capabilities
- Enforcing authorization consistently in the service layer as well as at the route boundary
- Requiring stronger approval or step-up controls for changes to privileged accounts
- Logging status changes with the actor, target account, decision, and outcome
- Reducing trust in client-supplied role or identity attributes and deriving privileges from server-side session data
- Limiting administrative service privileges according to least-privilege principles
Mitigation generally focuses on enforcing authorization at the server-side operation boundary rather than relying on authentication alone.
Common defensive patterns include:
- Applying explicit, deny-by-default permission checks to account-status changes
- Restricting the operation to narrowly defined administrative roles or capabilities
- Enforcing authorization consistently in the service layer as well as at the route boundary
- Requiring stronger approval or step-up controls for changes to privileged accounts
- Logging status changes with the actor, target account, decision, and outcome
- Reducing trust in client-supplied role or identity attributes and deriving privileges from server-side session data
- Limiting administrative service privileges according to least-privilege principles
How teams detect issues like this
Organizations can identify similar authorization gaps through:
- Static analysis and code review rules that flag sensitive handlers without access-control annotations or policy calls
- Review of endpoints that modify users, roles, account status, or other administrative state
- Tests that verify ordinary authenticated users receive authorization failures for privileged operations
- API gateway and application policies that require approved roles for administrative routes
- Audit-log analysis for account-status changes performed by non-administrative identities
- Automated security review tools that compare endpoint sensitivity with declared authorization requirements
Organizations can identify similar authorization gaps through:
- Static analysis and code review rules that flag sensitive handlers without access-control annotations or policy calls
- Review of endpoints that modify users, roles, account status, or other administrative state
- Tests that verify ordinary authenticated users receive authorization failures for privileged operations
- API gateway and application policies that require approved roles for administrative routes
- Audit-log analysis for account-status changes performed by non-administrative identities
- Automated security review tools that compare endpoint sensitivity with declared authorization requirements
