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Credit:
The information has been provided by iDefense Labs Security Advisories.
The original article can be found at: http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=726
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Vulnerable Systems:
* Oracle Database version 10.2.0.3 and 11.1.0.6 with the October 2007 CPU applied
This vulnerability exists due to improper input validation when handling a parameter passed to a procedure within the DBMS_AQELM package. Since the parameter is not properly validated, providing a long string can cause a buffer overflow to occur. This results in corruption of the database and could allow for the execution of arbitrary code as the database user.
Analysis:
Exploitation of this vulnerability results in database corruption and possibly arbitrary code execution with the privileges of the oracle user on Unix, and the "SYSTEM" user on Windows. This grants an attacker full reign over the database.
In order to exploit this vulnerability, an attacker must have access to a database account with privilege to execute the DBMS_AQELM package. In a default install, users with the Advanced Queue Administrator Role (AQ_ADMINISTRATOR_ROLE) have this privilege.
Vendor response:
Oracle Corp. has addressed this vulnerability with the release of their July 2008 Critical Patch Update. For more information, visit the following URL.
http://www.oracle.com/technology/deploy/security/critical-patch-updates/cpujul2008.html
CVE Information:
CVE-2008-2607
Disclosure timeline:
12/18/2007 - Initial vendor notification
12/19/2007 - Initial vendor response
07/15/2008 - Coordinated public disclosure
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