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TUCoPS :: IBM(multi) :: tb12369.htm

IBM DB2 Buffer overflow in sysproc.auth_list_groups_for_authid



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

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 

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


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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