CVE-2026-33847 RapidVMS内存缓冲区越界漏洞

# PoC for CVE-2026-33847 (Conceptual) # This script simulates a buffer overflow scenario. import sys def trigger_vulnerability(payload): """ Simulates the vulnerable buffer copy operation in RapidVMS. The vulnerability occurs due to improper restriction of memory buffer bounds. """ # Fixed size buffer allocation (simulating the vulnerable code) buffer_size = 256 buffer = ['\x00'] * buffer_size try: # VULNERABILITY: Copying data without checking length against buffer_size for i in range(len(payload)): buffer[i] = payload[i] print(f"Successfully wrote {len(payload)} bytes to buffer.") except IndexError: print("Buffer overflow detected!") if __name__ == "__main__": # Creating a payload larger than the buffer to trigger the overflow # In a real exploit, this payload would contain shellcode or ROP gadgets. malicious_payload = "A" * 300 print(f"[+] Triggering CVE-2026-33847 with payload size: {len(malicious_payload)}") trigger_vulnerability(malicious_payload) print("[+] Exploit attempt finished.")