[Full-disclosure] Team SHATTER Security Advisory: Oracle Database Buffer Overflow in SYS.OLAPIMPL_T.ODCITABLESTART

[Shatter <shatter@xxxxxxxxxxxxx>]

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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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