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

2009-01-1600:00:00

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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

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http://labs.idefense.com/

X. LEGAL NOTICES

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 [email protected] 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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