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Team SHATTER Security Advisory

SQL Injection in Oracle Application Server (WWEXP_API_ENGINE)

Audust 4, 2008

Risk Level:
High

Affected versions:
Oracle Application Server 9.0.4.3, 10.1.2.2 and 10.1.4.1

Remote exploitable:
Yes (No authentication required)

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

Details:
Oracle Application Server installs the PL/SQL package WWEXP_API_ENGINE
owned by PORTAL in the backend Oracle database server. The 'ACTION'
procedure of this package has an instance of SQL Injection that allows
attackers to create anonymous PL/SQL programs and execute any kind of
PL/SQL statements. The statements are executed with the privileges of
the PORTAL user, that has DBA privileges. The vulnerability can be
exploited using a web application and without authentication.

Impact:
Exploitation of this vulnerability allows an unauthenticated attacker on
the Internet to gain full control of a backend Oracle database server
via a vulnerable web site.

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

Workaround:
There is no workaround for this issue.

Fix:
Apply Oracle Critical Patch Update July 2008 available at Oracle Metalink.

Links:
http://www.oracle.com/technology/deploy/security/critical-patch-updates/cpujul2008.html

Timeline:
Vendor Notification - 1/3/2008
Vendor Response - 1/8/2008
Fix - 7/15/2008
Public Disclosure - 7/23/2008
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