Security Advisories and Notifications


Subject: SECURITY ADVISORY (CVE-2008-4009)
From: Oracle Corporation
Minor Subject: Elevation of Privilege vulnerability if more than one authorizer is used
Product(s) Affected: WebLogic Server and WebLogic Express

A problem was identified that could potentially allow an attacker to exploit a security vulnerability in certain versions of WebLogic Server. Patch is available to correct this problem (see Section II). Oracle treats potential security problems with a high degree of urgency and endeavors to take appropriate steps to help ensure the security of our customers’ systems. As a result, Oracle strongly suggests the following actions:

I. Read the following advisory.
II. Apply the suggested action.
III. If you know of any additional users interested in future security advisories, please forward them the registration instructions included in this advisory.

I. Description

If you configure more than one authorizer (e.g. a XACMLAuthorizer and a DefaultAuthorizer), certain elevation of privileges may occur for some resources.

II. Impact and CVSS Ratings:

CVSS Severity Score: 5.1 (Medium)
Attack Range (AV): Network
Attack Complexity (AC): High
Authentication Level (Au): None
Impact Type: Partial confidentiality, integrity and availability violation
Vulnerability Type: Information Disclosure
CVSS Base Score Vector: (AV:N/AC:H/Au:N/C:P/I:P/A:P)

Usage of CVSS by Oracle:
http://www.oracle.com/technology/deploy/security/cpu/cvssscoringsystem.htm

III. AFFECTED VERSIONS

The following versions of WebLogic Server and WebLogic Express are affected by this vulnerability
  • BEA WebLogic Server 9.1 on all platforms

IV. SUGGESTED ACTION

Oracle strongly recommends the following course of actions.

WebLogic Server version 9.1

  1. Use the Smart Update tool to install the 9.1 patch for CR334468.


SECURITY COMMUNICATIONS

Oracle strongly suggests that customers apply the remedies recommended in all our security advisories. Oracle also urges customers to apply every Service/Maintenance Pack as they are released. Service/Maintenance Packs include a roll-up of all bug fixes for each version of the product, as well as each of the prior Service/Maintenance Packs. Service/Maintenance Packs and information about them can be found at: http://www.oracle.com/technology/software/products/ias/bea_main.html

Note: Information about securing WebLogic Server and WebLogic Express can be found at http://edocs.bea.com/wls/docs103/security.html. Specific lockdown information is provided at http://e-docs.bea.com/wls/docs103/lockdown/index.html. We strongly encourage you to review this documentation to ensure your server deployment is securely configured.

As a policy, if there are any security-related issues with any Oracle product, Oracle will distribute an advisory and instructions with the appropriate course of action. Because the security of your site, data, and code is our highest priority, we are committed to communicating all security-related issues clearly and openly.

All previous advisories can be viewed at: http://www.oracle.com/technology/deploy/security/wls-security.

Additional users who wish to register for product advisory distribution should follow the registration directions at: http://www.oracle.com/technology/deploy/security/alerts.htm.

Security issues can be reported to Oracle by following the directions at: http://www.oracle.com/technology/deploy/security/alerts.htm.

Thank you,
Oracle Corporation