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DB2 - Problem description

Problem IC81387 Status: Closed

SECURITY: UNAUTHORIZED ACCESS TO TABLES

product:
DB2 FOR LUW / DB2FORLUW / 950 - DB2
Problem description:
There is a security vulnerability in DB2 servers which an 
authenticated, malicious user to read data from a table for 
which they do not have the authority to view. 
 
To exploit this vulnerability, the user needs to have valid 
security credentials, and CONNECT and CREATEIN privileges 
to the database.
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 8.                                                  * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* See Error Description.                                       * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to DB2 Version 9.5 Fix Pack 9 or see "Local Fix"     * 
* portion for other suggestions.                               * 
****************************************************************
Local Fix:
This vulnerability can be mitigated by revoking the CONNECT and 
CREATEIN privileges from PUBLIC.  You can revoke the CONNECT and 
CREATEIN privileges from PUBLIC by issuing the following 
statements: revoke 
 
REVOKE CONNECT ON DATABASE FROM PUBLIC 
REVOKE IMPLICIT_SCHEMA ON DATABASE FROM PUBLIC
available fix packs:
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 9 and all the subsequent Fix Packs.
Workaround
not known / see Local fix
BUG-Tracking
forerunner  : APAR is sysrouted TO one or more of the following: IC81390 IC81836 
follow-up : 
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
13.02.2012
05.03.2012
06.03.2012
Problem solved at the following versions (IBM BugInfos)
9.5.FP9
Problem solved according to the fixlist(s) of the following version(s)
9.5.0.9 FixList