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DB2 - Problem description

Problem IC86781 Status: Closed

SECURITY: STACK BUFFER OVERFLOW VULNERABILITY IN SQL/PERSISTENT STORED
MODULES DEBUGGING INFRASTRUCTURE (CVE-2012-4826).

product:
DB2 FOR LUW / DB2FORLUW / 970 - DB2
Problem description:
A stack buffer overflow vulnerability in SQL/Persistent Stored 
Modules (PSM) debugging infrastructure could be exploited to 
attain remote code execution. 
 
To exploit the vulnerability the malicious user would need: 
1) Valid credential to connect to database 
2) CONNECT privilege on database 
3) A PSM stored procedure to which the malicious has the 
privilege to debug
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* All DB2 systems on all Linux, Unix and Windows platforms at  * 
* service levels from Version 9.7 GA                           * 
* through to Version 9.7 Fix Pack 6.                           * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* See Error Description.                                       * 
* See Security Bulletin: Buffer Overflow Vulnerability in IBM  * 
* DB2 SQL/PSM Stored Procedure Infrastructure (CVE-2012-4826). * 
* http://www.ibm.com/support/docview.wss?uid=swg21614536       * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to DB2 Version 9.7 Fix Pack 7.                       * 
****************************************************************
Local Fix:
available fix packs:
DB2 Version 9.7 Fix Pack 7 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 8 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 9 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 9a for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 10 for Linux, UNIX, and Windows

Solution
The complete fix for this problem first appears in DB2 Version 
9.7 Fix Pack 7 and all the subsequent Fix Packs.
Workaround
not known / see Local fix
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
24.09.2012
18.10.2012
19.12.2012
Problem solved at the following versions (IBM BugInfos)
9.7.FP7
Problem solved according to the fixlist(s) of the following version(s)
9.7.0.7 FixList