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TeamSHATTER Security Advisory: Oracle Database Vault Administrator web console vulnerable to Cross-site request forgery
From: Shatter <shatter () appsecinc com>
Date: Fri, 21 Jan 2011 15:35:20 -0500

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TeamSHATTER Security Advisory

January 20, 2011

Risk Level:
Medium

Affected versions:
Oracle Database Server version 10gR2, 11gR1 and 11gR2

Remote exploitable:
Yes

Credits:
This vulnerability was discovered and researched by Esteban Martínez Fayó of Application Security Inc.

Details:
Cross-site request forgery (CSRF or XSRF)-also known as one-click attack, sidejacking, or session riding-is a type of 
malicious website exploit. Although this attack type has similarities to cross-site scripting (XSS), cross-site 
scripting requires the attacker to inject unauthorized code into a website, while cross-site request forgery merely 
transmits unauthorized commands from a user the website trusts. A user that is authenticated by a cookie saved in their 
web browser could unknowingly send an HTTP request to a site that trusts him and thereby cause an unwanted action.

Oracle Database Vault Administrator web console lacks protection to this kind of attacks.

Impact:
It is possible for an attacker hosting a malicious web site to perform operations on a victim's behalf. The victim must 
have a valid session in Oracle Database Vault Administrator web console and visit the malicious web site.

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

Workaround:
There is no workaround for this vulnerability.  To narrow the time window when this vulnerability can be exploited you 
should Log off from Oracle Database Vault Administrator web console as soon as you finished using it and do not keep 
the session opened until it expires.

Fix:
Apply Oracle Critical Patch Update January 2011 available at Oracle Metalink.

CVE:
CVE-2010-4421

Links:
http://www.oracle.com/technetwork/topics/security/cpujan2011-194091.html
http://www.teamshatter.com/topics/security-advisory/advisory-oracle-database-vault-administrator-web-console-vulnerable-to-cross-site-request-forgery

Timeline:
Vendor Notification - 6/30/2010
Vendor Response - 6/30/2010
Fix - 1/18/2011
Public Disclosure - 1/20/2011

Application Security, Inc's database security solutions have helped over 2000 organizations secure their databases from 
all internal and external threats while also ensuring that those organizations meet or exceed regulatory compliance and 
audit requirements.

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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