Security Bulletin: DB2 Denial of Service Vulnerability in DRDA (CVE-2012-0710)

Abstract

Vulnerability in IBM DB2 server products could allow a specially-crafted DRDA request to crash the server.

Content

VULNERABILITY DETAILS

CVE ID: CVE-2012-0710

DESCRIPTION:

A vulnerability in the IBM DB2 products listed below could allow an unauthenticated, remote attacker to sent a specially crafted Distributed Relational Database Architecture (DRDA) request to a database server to cause it to crash. The vulnerability exists on all supported platforms.

CVSS:
CVSS Base Score: 5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/73494 for the current score
CVSS Environmental Score*: Undefined
CVSS String: (AV:N/AC:L/Au:N/C:N/I:N/A:P)

DB2 RELEASES AFFECTED:
DB2 Version 9.1 GA through to Version 9.1 Fix Pack 10.
DB2 Version 9.5 GA through to Version 9.5 Fix Pack 8.
DB2 Version 9.7 GA through to Version 9.7 Fix Pack 4.
DB2 Version 9.8 GA through to Version 9.8 Fix Pack 3.

AFFECTED PLATFORMS:

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

IBM® DB2® 9.7 Express Edition
IBM® DB2® 9.7 Workgroup Server Edition
IBM® DB2® 9.7 Enterprise Server Edition
IBM® DB2® 9.7 Advanced Enterprise Server Edition
IBM® DB2® Connect™ 9.7 Application Server Edition
IBM® DB2® Connect™ 9.7 Enterprise Edition
IBM® DB2® Connect™ 9.7 Unlimited Edition for System i®
IBM® DB2® Connect™ 9.7 Unlimited Edition for System z®

IBM® DB2® 9.5 Express Edition
IBM® DB2® 9.5 Workgroup Server Edition
IBM® DB2® 9.5 Enterprise Server Edition
IBM® DB2® 9.5 Advanced Enterprise Server Edition
IBM® DB2® Connect™ 9.5 Application Server Edition
IBM® DB2® Connect™ 9.5 Enterprise Edition
IBM® DB2® Connect™ 9.5 Unlimited Edition for System i®
IBM® DB2® Connect™ 9.5 Unlimited Edition for System z®

IBM® DB2® 9.1 Express Edition
IBM® DB2® 9.1 Workgroup Server Edition
IBM® DB2® 9.1 Enterprise Server Edition
IBM® DB2® 9.1 Advanced Enterprise Server Edition
IBM® DB2® Connect™ 9.1 Application Server Edition
IBM® DB2® Connect™ 9.1 Enterprise Edition
IBM® DB2® Connect™ 9.1 Unlimited Edition for System i®
IBM® DB2® Connect™ 9.1 Unlimited Edition for System z®

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

IBM® DB2® pureScale™ Feature for Enterprise Server Edition

Note: The DB2 Connect products mentioned are affected only if a local database has been created.

REMEDIATION:
There is no workaround nor mitigation. The fix is available for download and we recommend you apply the appropriate fix.

Fix:
Fix for this vulnerability is available for all release for download at the DB2 Fix Packs site: <http://www.ibm.com/support/docview.wss?uid=swg27007053&gt;.

REFERENCES:
· Complete CVSS v2 Guide
· On-line Calculator V2_ _
· X-Force Vulnerability Database
· CVE-2012-0710

_*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.

[{“Product”:{“code”:“SSEPGG”,“label”:“Db2 for Linux, UNIX and Windows”},“Business Unit”:{“code”:“BU058”,“label”:“IBM Infrastructure w/TPS”},“Component”:“Connectivity - DRDA”,“Platform”:[{“code”:“PF002”,“label”:“AIX”},{“code”:“PF010”,“label”:“HP-UX”},{“code”:“PF016”,“label”:“Linux”},{“code”:“PF027”,“label”:“Solaris”},{“code”:“PF033”,“label”:“Windows”}],“Version”:“9.8;9.7;9.5;9.1”,“Edition”:“Advanced Enterprise Server;Enterprise Server;Express;Express-C;Personal;Workgroup Server”,“Line of Business”:{“code”:“LOB10”,“label”:“Data and AI”}}]