Security Advisories and Notifications

Security Advisory: (BEA07-155.00)

From: Oracle Corporation

Minor Subject: An overflow conditison may occur in products using BEA JRockit

Product(s) Affected: WebLogic Server, WebLogic Express, WebLogic Platform and BEA JRockit

Threat level: High
A remote knowledgeable user can exploit this vulnerability

Severity: High
A user can obtain significant privileges

A problem was identified that could potentially cause a security vulnerability in certain versions of WebLogic Server, WebLogic Platform and BEA JRockit. An upgrade 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. Advisory

An overflow condition may occur under special circumstances in BEA JRockit. An attacker can exploit this vulnerability to gain significant privileges.

A BEA JRockit upgrade is available to fix this condition.

The following versions of WebLogic Platform, WebLogic Server, WebLogic Express and BEA JRockit are affected by this vulnerability

  • WebLogic Platform 8.1 released through Service Pack 5 on Linux and Windows.
  • WebLogic Server 8.1 released through Service Pack 5 on Linux and Windows.
  • BEA JRockit 1.4.2 R24.5 and previous versions on Linux and Windows.


Oracle strongly recommends the following course of actions.

WebLogic Platform version 8.1

  • Upgrade to WebLogic Platform 8.1 Service Pack 6.

WebLogic Server and WebLogic Express version 8.1

  • Upgrade to WebLogic Server and WebLogic Express 8.1 Service Pack 6.

BEA JRockit 1.4.2

  • Upgrade to BEA JRockit 1.4.2 R26.1 or later.


Oracle greatly appreciates the contributions from the following professional organizations for their assistance in investigating this matter:

Wade Alcorn and Marcus Pinto of NGSSoftware Insight Security Research


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:

Note: Information about securing WebLogic Server and WebLogic Express can be found at Specific lockdown information is provided at 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:

Additional users who wish to register for product advisory distribution should follow the registration directions at:

Security issues can be reported to Oracle by following the directions at:

Thank you,
Oracle Corporation