Authentication Bypass Leading to Server-Side Command Execution

Summary

An authentication bypass vulnerability in the public onPhase/ frevvo registration form version 11.0.14 allows an unauthenticated remote attacker to authenticate as an arbitrary tenant user, obtain TenantAdmin and Designer privileges, and execute arbitrary operating system commands via manipulation of registration parameters containing a valid tenant name and existing user identifier.

Remediation

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

References

• Referencehttps://frevvo-docs.atlassian.net/wiki/spaces/frevvo110/pages/1069273270/Detailed+Release+Notes
• Referencehttps://frevvo-docs.atlassian.net/wiki/spaces/frevvo110/overview?homepageId=1069252609