full-disclosure - Re: Team SHATTER Security Advisory: SQL Injection in Oracle Database (DBMS_DEFER_SYS.DELETE

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Date: Mon, 4 Aug 2008 17:34:09 -0400
From: "Memisyazici, Aras" <arasm@...edu>
To: <bugtraq@...urityfocus.com>,
	<full-disclosure@...ts.grok.org.uk>
Cc: Team SHATTER <shatter@...secinc.com>
Subject: Re: Team SHATTER Security Advisory: SQL Injection
	in Oracle Database (DBMS_DEFER_SYS.DELETE_TRAN)

Umm...

>> By default, users granted DBA have the required privilege. <<

So... You are saying, people should beware of DBAs (Database Administrators... AKA DB Gods) having the possibility to do SQL injection? Riighhtt... And why should they go through the trouble of exploiting a webapp to manipulate data in the DB? They're DBAs... As in they already CAN manipulate the data in the database since they sort of ADMINISTER it!

Aras "Russ" Memisyazici
Systems Administrator
Office of Vice President for Research
Virginia Tech 

-----Original Message-----
From: Team SHATTER [mailto:shatter@...secinc.com] 
Sent: Monday, August 04, 2008 12:42 PM
To: bugtraq@...urityfocus.com; full-disclosure@...ts.grok.org.uk
Subject: Team SHATTER Security Advisory: SQL Injection in Oracle Database (DBMS_DEFER_SYS.DELETE_TRAN)

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Team SHATTER Security Advisory

SQL Injection in Oracle Database (DBMS_DEFER_SYS.DELETE_TRAN)

August 4, 2008

Risk Level:
Medium

Affected versions:
Oracle Database Server versions 9iR1, 9iR2, 10gR1, 10gR2 and 11gR1

Remote exploitable:
Yes (Authentication to Database Server is needed)

Credits:
This vulnerability was discovered and researched by Esteban Martínez Fayó of Application Security Inc.

Details:
The PL/SQL package DBMS_DEFER_SYS owned by SYS has an instance of SQL Injection in the DELETE_TRAN procedure. A malicious user can call the vulnerable procedure of this package with specially crafted parameters and execute SQL statements with the elevated privileges of SYS user.

Impact:
Any Oracle database user with EXECUTE privilege on the package SYS.DBMS_DEFER_SYS can exploit this vulnerability. By default, users granted DBA have the required privilege. Exploitation of this vulnerability allows an attacker to execute SQL commands with SYS privileges.

Vendor Status:
Vendor was contacted and a patch was released.

Workaround:
Restrict access to the SYS.DBMS_DEFER_SYS package.

Fix:
Apply Oracle Critical Patch Update July 2008 available at Oracle Metalink.

Links:
http://www.oracle.com/technology/deploy/security/critical-patch-updates/cpujul2008.html
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2592

Timeline:
Vendor Notification - 9/24/2007
Vendor Response - 9/28/2007
Fix - 7/15/2008
Public Disclosure - 7/23/2008
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