bugtraq - Team SHATTER Security Advisory: Oracle Database Buffer Overflow in SYS.OLAPIMPL

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Date: Tue, 3 Feb 2009 12:57:56 -0500
From: Shatter <shatter@...secinc.com>
To: Bugtraq <bugtraq@...urityfocus.com>,
	Full Disclosure <full-disclosure@...ts.grok.org.uk>
Subject: Team SHATTER Security Advisory: Oracle Database Buffer Overflow in
 SYS.OLAPIMPL_T.ODCITABLESTART

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Team SHATTER Security Advisory
Oracle Database Buffer Overflow in SYS.OLAPIMPL_T.ODCITABLESTART
January 29, 2009
Risk Level:
High

Affected versions:
Oracle Database Server version 9iR2

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: 
Oracle Database Server provides the SYS.OLAPIMPL_T package. This package contains the procedure ODCITABLESTART which is vulnerable to buffer overflow attacks.
Impact:
By default SYS.OLAPIMPL_T has EXECUTE permission to PUBLIC so any Oracle database user can exploit this vulnerability. Exploitation of this vulnerability allows an attacker to execute arbitrary code. It can also be exploited to cause DoS (Denial of service) killing the Oracle server process.

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

Workaround:
Restrict access to the SYS.OLAPIMPL_T package.

Fix:
Apply Oracle Critical Patch Update January 2009 available at Oracle Metalink.

CVE:
CVE-2008-3974

Links:
http://www.oracle.com/technology/deploy/security/critical-patch-updates/cpujan2009.html
http://www.appsecinc.com/resources/alerts/oracle/2009-02.shtml

Timeline:
Vendor Notification - 2/22/2005
Fix - 1/13/2009
Public Disclosure - 1/29/2009

Application Security, Inc's database security solutions have helped over 1000 organizations secure their databases from all internal and external threats while also ensuring that those organizations meet or exceed regulatory compliance and audit requirements. 

Disclaimer: The information in the advisory is believed to be accurate at the time of publishing based on currently available information. Use of the information constitutes acceptance for use in an AS IS condition. There are no warranties with regard to this information. Neither the author nor the publisher accepts any liability for any direct, indirect, or consequential loss or damage arising from use of, or reliance on, this information.

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