Oracle Database 10g R2 Summary Advisor Arbitrary File Rewrite Vulnerability
01.13.09BACKGROUND
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
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.
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.
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.
WORKAROUND
iDefense is currently unaware of any workaround for this issue.
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
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.
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
CREDIT
This vulnerability was reported to iDefense by Code Audit Labs (http://vulnhunt.com).
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