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DB2 - Problem description

Problem IC65933 Status: Closed

SECURITY: BUFFER OVERRUN IN REPEAT UDF (CVE-2010-0462).

product:
DB2 FOR LUW / DB2FORLUW / 950 - DB2
Problem description:
The scalar function REPEAT contains a buffer overrun defect that 
malicious user could manipulate, causing the DB2 server to trap. 
A valid database connection is required to exploit the 
vulnerability.
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* All DB2 systems on all Linux, Unix and Windows platforms at  * 
* service levels from Version 9.5 GA through to Version 9.5    * 
* Fix Pack 6.                                                  * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* See "Error Description"                                      * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to DB2 Version 9.5 Fix Pack 6 or see "Local Fix"     * 
* portion for other suggestions.                               * 
****************************************************************
Local Fix:
It is not possible to revoke EXECUTE privilege on the scalar 
function REPEAT from PUBLIC. 
To minimize the exposure, revoke CONNECT privilege from PUBLIC 
and only grant CONNECT privilege to trusted users.
available fix packs:
DB2 Version 9.5 Fix Pack 6a for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 7 for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 8 for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 9 for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 10 for Linux, UNIX, and Windows

Solution
The complete fix for this problem first appears in DB2 Version 
9.5 Fix Pack 6 and all the subsequent Fix Packs.
Workaround
not known / see Local fix
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
28.01.2010
14.06.2010
17.08.2010
Problem solved at the following versions (IBM BugInfos)
9.5.FP6
Problem solved according to the fixlist(s) of the following version(s)
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