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             AUSCERT External Security Bulletin Redistribution

                               ESB-2013.0301
       Security Bulletin: Multiple GSKit Vulnerabilities in IBM DB2
               (CVE-2012-2190, CVE-2012-2191, CVE-2012-2203)
                             28 February 2013

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           IBM DB2
Publisher:         IBM
Operating System:  AIX
                   HP-UX
                   Linux variants
                   Solaris
                   Windows
Impact/Access:     Modify Arbitrary Files -- Remote/Unauthenticated
                   Denial of Service      -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2012-2203 CVE-2012-2191 CVE-2012-2190

Reference:         ESB-2012.1044.2
                   ESB-2012.0976
                   ESB-2012.0934
                   ESB-2012.0933
                   ESB-2012.0929
                   ESB-2012.0916
                   ESB-2012.0801

Original Bulletin: 
   http://www-01.ibm.com/support/docview.wss?uid=swg21626749

- --------------------------BEGIN INCLUDED TEXT--------------------

Security Bulletin: Multiple GSKit Vulnerabilities in IBM DB2 (CVE-2012-2190, 
CVE-2012-2191, CVE-2012-2203).

Document information

DB2 for Linux, UNIX and Windows
3rd Party Tools - Tivoli

Software version:
9.1, 9.5, 9.7, 9.8, 10.1

Operating system(s):
AIX, HP-UX, Linux iSeries, Linux pSeries, Linux zSeries, Solaris, Windows

Software edition:
Advanced Enterprise Server, Enterprise Server, Express, Express-C, Workgroup 
Server

Reference #:
1626749

Modified date:
2013-02-27

Abstract

GSKit is an IBM product that is used by IBM DB2 for SSL support. The GSKit 
that is shipped with DB2 contains multiple security vulnerabilities. By default, 
DB2 does not use SSL for client-server communication and therefore, DB2 is 
vulnerable only if SSL is enabled.

Content

VULNERABILITY DETAILS

CVE ID: CVE-2012-2190 and CVE-2012-2191

Description:

By sending specially-crafted Secure Sockets Layer (SSL) packets to the 
vulnerable DB2 server, a remote attacker could cause the DB2 server to trap.

CVE-2012-2190 CVSS:

CVSS Base Score: 5.0
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/75994 for the 
current score
CVSS Environmental Score*: Undefined
CVSS String: (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVE-2012-2191 CVSS:

CVSS Base Score: 5.0
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/75996 for the 
current score
CVSS Environmental Score*: Undefined
CVSS String: (AV:N/AC:L/Au:N/C:N/I:N/A:P)


CVE ID: CVE-2012-2203

Description:

A vulnerability in GSKit allows an attacker to insert an arbitrary root 
Certification Authority certificate into its key store. 

CVE-2012-2203 CVSS:

CVSS Base Score: 5.8
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/77280 for the 
current score
CVSS Environmental Score*: Undefined
CVSS String: (AV:N/AC:M/Au:N/C:P/I:P/A:N)


AFFECTED PLATFORMS:

The following IBM DB2 and DB2 Connect V9.1, V9.5, V9.7 and V10.1 editions 
running on AIX, Linux, HP, Solaris and Windows.

IBM® DB2® Express Edition
IBM® DB2® Workgroup Server Edition
IBM® DB2® Enterprise Server Edition
IBM® DB2® Advanced Enterprise Server Edition
IBM® DB2® Connect™ Application Server Edition 
IBM® DB2® Connect™ Enterprise Edition
IBM® DB2® Connect™ Unlimited Edition for System i® 
IBM® DB2® Connect™ Unlimited Edition for System z®

The following IBM DB2 V9.8 editions running on AIX and Linux:

IBM® DB2® pureScale™ Feature for Enterprise Server Edition


REMEDIATION: 

The recommended solution is to apply the appropriate fix for this vulnerability. 

FIX:
For DB2 and DB2 Connect V9.5, V9.7, V9.8 and V10.1, the fix is planned to be 
made available in future fix packs.

DB2 and DB2 Connect V9.1 are no longer supported and therefore no patch will be 
made available. Please upgrade to a supported version of DB2 or DB2 Connect, as 
applicable, and apply the fix. Customers who have support for this version may 
contact support to request a fix under the terms of their extended support 
contract

In general, DB2 and DB2 Connect fix packs can be downloaded from the following 
site: http://www.ibm.com/support/docview.wss?uid=swg27007053. You may download 
the specific fix pack you need from the following:

Release	APAR	Download URL
V9.5	IC90385	Not available. Please contact technical support.
V9.7	IC90395	Not available. Please contact technical support.
V9.8	IC90396	Not available. Please contact technical support.
V10.1	IC90397	Not available. Please contact technical support.

A special build with the interim fix will be made available for DB2 and DB2 
Connect V9.5 FP10, V9.7 FP7, V9.8 FP5 and V10.1 FP2. Please contact your service 
representative to obtain the special build and reference the APAR number for 
the release you want.


Contact Technical Support:
In the United States and Canada dial 1-800-IBM-SERV 
View the support contacts for other countries outside of the United States. 
Electronically open a Service Request with DB2 Technical Support. 


WORKAROUND:
None.


MITIGATION:
None.


REFERENCES:
Complete CVSS Guide
On-line Calculator V2
X-Force Vulnerability Database - 75994
X-Force Vulnerability Database - 75996
X-Force Vulnerability Database - 77280
CVE-2012-2190
CVE-2012-2191
CVE-2012-2203


CHANGE HISTORY: 
February 27, 2013: Document created.


*The CVSS Environment Score is customer environment specific and will ultimately 
impact the Overall CVSS Score. Customers can evaluate the impact of this 
vulnerability in their environments by accessing the links in the Reference 
section of this Flash. 

Note: According to the Forum of Incident Response and Security Teams (FIRST), 
the Common Vulnerability Scoring System (CVSS) is an "industry open standard 
designed to convey vulnerability severity and help to determine urgency and 
priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY 
OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS

Note: IBM’s statements regarding its plans, directions, and intent are subject
to change or withdrawal without notice at IBM’s sole discretion. Information
regarding potential future products is intended to outline our general 
product direction and it should not be relied on in making a purchasing 
decision. The information mentioned regarding potential future products 
is not a commitment, promise, or legal obligation to deliver any material, 
code or functionality. Information about potential future products may not 
be incorporated into any contract. The development, release, and timing of 
any future features or functionality described for our products remains at 
our sole discretion.

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