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IBM DB2 LUW 9.x / 10.1 XML File Disclosure

IBM DB2 LUW 9.x / 10.1 XML File Disclosure
Posted Oct 5, 2012
Authored by Martin Rakhmanov | Site appsecinc.com

Team SHATTER Security Advisory - Two system stored procedures executable by PUBLIC allow reading of files with xml extensions in IBM DB2 LUW versions 9.1, 9.5, 9.7, and 10.1.

tags | advisory, info disclosure, xxe
advisories | CVE-2012-2196
MD5 | 22348b5f5f6c82baa53aef48d5ff8eb8

IBM DB2 LUW 9.x / 10.1 XML File Disclosure

Change Mirror Download
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Hash: SHA1

AppSecInc Team SHATTER Security Advisory

XML file disclosure vulnerability via GET_WRAP_CFG_C and GET_WRAP_CFG_C2
system stored procedures.

Risk Level:
Medium

Affected versions:
IBM DB2 LUW 9.1, 9.5, 9.7, 10.1

Remote exploitable:
No

Credits:
This vulnerability was discovered and researched by Martin Rakhmanov of
Application Security Inc.

Details:
Two system stored procedures executable by PUBLIC allow reading files
with xml extension on the server.
To exploit this vulnerability the xml file should be readable by the DB2
fenced user.

Impact:
Authenticated database users can read xml files accessible to the DB2
fenced process.

Vendor Status:
Vendor was contacted and a patch was released.

Workaround:
Revoke EXECUTE privilege on GET_WRAP_CFG_C and GET_WRAP_CFG_C2 system
stored procedures from PUBLIC.

Fix:
IBM DB2 LUW 9.1: apply Fix Pack 12.
IBM DB2 LUW 9.5: apply Fix Pack 10.
IBM DB2 LUW 9.7: no fix yet.
IBM DB2 LUW 10.1: apply Fix Pack 1.

CVE:
CVE-2012-2196

Links:
<https://www.teamshatter.com/?p=3912>
<https://www-304.ibm.com/support/docview.wss?uid=swg21607618>

Timeline:
Vendor Notification - 05/27/2012
Vendor Response - 05/29/2012
Fix - 08/14/2012
Public Disclosure - <10/04/2012>


- --
_____________________________________________
Copyright (c) 2012 Application Security, Inc.
http://www.appsecinc.com

About Application Security, Inc.

AppSecInc is a pioneer and leading provider of database security
solutions for the enterprise. By providing strategic and scalable
software-only solutions - AppDetectivePro for auditors and IT
advisors, and DbProtect for the enterprise - AppSecInc supports the
database security lifecycle for some of the most complex and demanding
environments in the world across more than 1,300 active commercial and
government customers.

Leveraging the world's most comprehensive database security
knowledgebase from the company's renowned team of threat researchers,
TeamSHATTER, AppSecInc products help customers achieve unprecedented
levels of data security from nefarious or accidental activities, while
reducing overall risk and helping to ensure continuous regulatory and
industry compliance.

Disclaimer: The information in the advisory is believed to be accurate
at the time of publishing based on currently available information.
Use of the information constitutes acceptance for use in an AS IS
condition. There are no warranties with regard to this information.
Neither the author nor the publisher accepts any liability for any
direct, indirect, or consequential loss or damage arising from use of,
or reliance on, this information.
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