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DB2 - Problem description

Problem IC81379 Status: Closed

SECURITY: DENIAL OF SERVICE SECURITY VULNERABILITY IN DB2'S XML
FEATURE (CVE-2012-0712).

product:
DB2 FOR LUW / DB2FORLUW / 950 - DB2
Problem description:
There is a security vulnerability in the DB2's XML Feature which 
would allow an authenticated, malicious user to remotely 
cause a denial of service.  To exploit the vulnerability, the 
user would need to have valid security credentials, and CONNECT 
privilege 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:
The vulnerability could be mitigated by revoking CONNECT 
privilege from public: 
 
REVOKE CONNECT 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
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
13.02.2012
06.03.2012
06.07.2012
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
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