Security Bulletin: Remote Escalation of Privilege Vulnerability in DB2 Administration Server (CVE-2012-0711)

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Abstract

Vulnerability in IBM DB2 Administrator Server could allow an escalation of privilege attack.

Content

VULNERABILITY DETAILS

CVE ID: CVE-2012-0711

DESCRIPTION:

The IBM DB2 products listed below contain a security vulnerability in the DB2 Administration Server (DAS) which would allow an attacker to remotely
exploit it to gain elevated privilege or to cause a denial of service.

This vulnerability is not applicable to DAS running on the Windows platform.


CVSS:
CVSS Base Score: 7.5
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/73495 for the current score
CVSS Environmental Score*: Undefined
CVSS String: (AV:N/AC:L/Au:N/C:P/I:P/A:P)

DB2 RELEASES AFFECTED:
DB2 Version 9.1 GA through to Version 9.1 Fix Pack 11.
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 5

AFFECTED PLATFORMS:

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

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®


REMEDIATION:
The DB2® Administration Server (DAS) is a control point used only to assist with tasks on DB2 database instances. You need DAS if you want to use available tools like the Configuration Assistant, the Control Center, or the Development Center. If you are not using those features then the vulnerability may be mitigated by stopping DAS.

To stop DAS, you would need to have DAS administration authority.
1. Log in as an account or user ID that is part of the group defined in the DASADM_GROUP parameter.
2. Stop the DAS using the db2admin command as follows:
db2admin stop

Fix:
The fix for this vulnerability is available for DB2 release V9.1 Fix Pack 12, V9.5 Fix Pack 9 and V9.7 Fix Pack 6.

In general, DB2 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
V9.1 FP12 IC80561 http://www.ibm.com/support/docview.wss?uid=swg24033023
V9.5 FP9 IC80728 http://www.ibm.com/support/docview.wss?uid=swg24032087
V9.7 FP6 IC80729 http://www.ibm.com/support/docview.wss?uid=swg24032754


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.


REFERENCES:
· Complete CVSS Guide
· On-line Calculator V2
· X-Force Vulnerability Database
· CVE-2012-0711


ACKNOWLEDGEMENT:
This problem was reported to IBM by axtaxt working with the iDefense Vulnerability Contributor Program (VCP).

CHANGE HISTORY:
March 16, 2012: Document created.
September 24, 2012: V9.1 FP12 has shipped. Updated download URL table to include the link to the download page.

*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.


Cross reference information
Segment Product Component Platform Version Edition
Information Management DB2 Connect 9.7, 9.5, 9.1

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Document information


More support for:

DB2 for Linux, UNIX and Windows
DBA/System Administration - DAS Management

Software version:

9.1, 9.5, 9.7

Operating system(s):

AIX, HP-UX, Linux, Linux iSeries, Linux pSeries, Linux zSeries, Solaris

Software edition:

Advanced Enterprise Server, Enterprise Server, Workgroup Server

Reference #:

1588093

Modified date:

2012-09-25

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