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TUCoPS :: Oracle :: va2300.htm

Oracle Database 10g R2 Summary Advisor Arbitrary File Rewrite



iDefense Security Advisory 01.13.09: Oracle Database 10g R2 Summary Advisor Arbitrary File Rewrite Vulnerability
iDefense Security Advisory 01.13.09: Oracle Database 10g R2 Summary Advisor Arbitrary File Rewrite Vulnerability



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iDefense Security Advisory 01.12.09
http://labs.idefense.com/intelligence/vulnerabilities/ 
Jan 12, 2009

I. BACKGROUND

Oracle Database Server is a family of database products that range from
personal databases to enterprise solutions. Further information is
available at the following URL:

http://www.oracle.com/database/index.html 

II. DESCRIPTION

Local exploitation of an arbitrary file rewrite vulnerability in Oracle
Corp.'s Oracle Database 10g Release 2 database product allows attackers
to gain elevated privileges.

The vulnerability exists in a function that allows a user with an
authenticated session to create any file or rewrite any files to which
the database account has access.

III. ANALYSIS

Successful exploitation allows the attacker to gain database account
privilege. On Linux and Unix systems the database account is usually
'oracle' while on Windows systems it is the 'SYSTEM' account. To
exploit this vulnerability, the attacker must create a session and
execute the privileged procedure.

IV. DETECTION

iDefense has confirmed the existence of this vulnerability in Oracle
Database 10g Release 2 version 10.2.0.3.0 on 32-bit Linux platform and
Windows platform. Previous versions may also be affected. Oracle
Database 11g Release 1 version 11.1.0.6.0 is not affected by this
vulnerability.

V. WORKAROUND

iDefense is currently unaware of any workaround for this issue.

VI. VENDOR RESPONSE

Oracle has released a patch which addresses this issue. For more
information, consult their advisory at the following URL.

http://www.oracle.com/technology/deploy/security/critical-patch-updates/cpujan2009.html 

VII. CVE INFORMATION

The Common Vulnerabilities and Exposures (CVE) project has assigned the
name CVE-2008-3997 to this issue. This is a candidate for inclusion in
the CVE list (http://cve.mitre.org/), which standardizes names for 
security problems.

VIII. DISCLOSURE TIMELINE

03/24/2008  - Initial Vendor Notification
03/25/2008  - Initial Vendor Response
11/24/2008  - Status update from Vendor
01/12/2009  - Coordinated Public Disclosure

IX. CREDIT

This vulnerability was reported to iDefense by Code Audit Labs
(http://vulnhunt.com). 

Get paid for vulnerability research
http://labs.idefense.com/methodology/vulnerability/vcp.php 

Free tools, research and upcoming events
http://labs.idefense.com/ 

X. LEGAL NOTICES

Copyright =A9 2009 iDefense, Inc.

Permission is granted for the redistribution of this alert
electronically. It may not be edited in any way without the express
written consent of iDefense. If you wish to reprint the whole or any
part of this alert in any other medium other than electronically,
please e-mail customerservice@idefense.com for permission. 

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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