Team SHATTER Advisory: IBM DB2 Buffer overflow in sysproc.auth_list_groups_for_authid

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AppSecInc Team SHATTER Security Advisory

IBM DB2 Buffer overflow in sysproc.auth_list_groups_for_authid

August 31st 2007

Risk Level:
High

Affected versions:
DB2 9.1 Fixpack 2 Enterprise server edition

Remote exploitable:
Yes

Credits:
This vulnerability was discovered and researched by Ariel Sanchez of Application Security Inc.

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Details:
Buffer overflow on sysproc.auth_list_groups_for_authid function. By passing an overly long value of more then 40-bytes to the auth_list_groups_for_authid function, a stack-based buffer can be overflowed.

OS:
Windows 2003 sp1

Install options:
DB2 Installed with all defaults but with Notifications disabled

Impact:
An attacker can use this to cause a denial of service or take complete control of an affected system.

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

Fix:
To fix the problem apply the fixpak 3 for DB2 version 9.1 http://www-306.ibm.com/software/data/db2/support/db2_9/

APAR:
IZ01828

Links:
Application Security, Inc advisory:
http://www.appsecinc.com/resources/alerts/db2/2007-01.shtml IBM APAR: http://www-1.ibm.com/support/docview.wss?uid=swg1IZ01828

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  Copyright (C) 2007 Application Security, Inc. http://www.appsecinc.com

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In addition to our free technical library, Pantek provides professional IT services to companies who utilize Open Source software: Learn more about Pantek's Technical Support offerings Place an order for 24/7/365 Technical Support here Learn more about Pantek, who we are, and what we do Chat with a Live Operator Related securityfocus.com Links bugtraq certification focus-bsd focus-ids focus-ih focus-linux focus-ms focus-sun focus-unix-other focus-virus forensics incidents libnet linux-secnews ms-secnews pen-test secpapers secprog sectools secureshell security-basics securityjobs sf-news vuln-dev webappsec Request more information about Pantek

Application Security, Inc's database security solutions have helped over 900 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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