Researchers Demonstrate Bypass of Android Hardware Attestation Using Frida Instrumentation
What Happened — Quarkslab published a proof‑of‑concept that redirects Android hardware attestation requests from a rooted device to a clean device, then injects the legitimate attestation response back into the target app. The technique uses Frida instrumentation and does not compromise the secure hardware itself.
Why It Matters for Compliance & Audit Readiness
- The bypass shows that a control that appears “hardware‑based” can be subverted at the application layer, a scenario SOC 2’s System Security and Risk Management criteria expect you to detect and evidence.
- Continuous evidence collection on attestation flows (e.g., logging request/response integrity) becomes essential to prove that the control is operating as intended.
- Mapping this gap to your control framework and documenting mitigation steps provides audit‑ready proof that you’ve addressed a known control‑evasion technique.
Who Is Affected — Financial services apps (banking, payments), identity verification services, and any Android‑based SaaS that relies on hardware attestation for device trust.
Recommended Actions
- Review your attestation verification logic and add runtime integrity checks that detect response relaying.
- Log full attestation request/response metadata and retain logs for audit periods.
- Incorporate the attestation flow into your continuous compliance monitoring platform to generate evidence of control effectiveness.
Technical Notes — The bypass leverages Frida to hook the KeyAttestation API, relays the request to an unrooted device, and splices the signed certificate chain back into the compromised process. No CVE is disclosed; the attack exploits the trust model rather than a software flaw. Source: Quarkslab Blog