Security Advisories and Notifications


Security Advisory: (BEA05-52.02)

From: Oracle Corporation

Minor Subject: Patches are available to prevent unintended system administrator privileges.

Product(s) Affected: WebLogic Server and WebLogic Express

This security advisory (BEA05-52.02) contains corrected instructions for installing the wlSecurityProviders.jar file. There are no new or updated remedies in this advisory. Please disregard security advisory BEA04-52.01, as this advisory, BEA05-52.02, supersedes it.

Threat level: Very Low
The vulnerability requires a specific usage pattern be followed by a system administrator when using the WebLogic Authentication provider.

Severity: Medium
A group can unintentionally be given administrative privileges.

A problem was identified that could potentially cause a security vulnerability in certain versions of WebLogic Server and WebLogic Express. Patches are available to correct this problem (see Section II). BEA System treats potential security problems with the highest degree of urgency and does everything possible to ensure the security of all customer assets. 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


This vulnerability affects sites that are using the WebLogic Authentication provider as the default authentication provider in a security realm and the following sequence of events occurs.

1. The system administrator creates a group (for example, Group1).
2. The system administrator then creates a second group (for example, Group2).
3. The system administrator makes Group1 a member of Group2.
4. The system administrator deletes Group2 and then later creates it again.

Even though Group2 is a new group, it has Group1 as a member. Because Group1 will now inherit all privileges granted to Group2, it can therefore unintentionally get increased privileges. The patches provided below correct the defect that populated newly created groups with prior group members.

The following versions of WebLogic Server and WebLogic Express are affected by this vulnerability
  • WebLogic Server and WebLogic Express version 8.1 through Service Pack 2, on all platforms
  • WebLogic Server and WebLogic Express version 7.0 through Service Pack 4, on all platforms

II. SUGGESTED ACTION


Oracle strongly recommends the following course of actions:

WebLogic Server and WebLogic Express version 8.1

1. Upgrade to WebLogic Server and WebLogic Express version 8.1 Service Pack
2. Rename the patch #7825265 available from OracleMetaLink to wlSecurityProviders.jar as per the instructions below:
• Select the Patches and Updates tab after logging in to OracleMetaLink.
• Click Simple Search.
• In the Search By field, select Patch Number from the list.
• Enter the patch number. The patch number may be different for different product releases and platforms.
• Select the platform (or choose generic as applicable)
• Click Go.
• Click Download to download the patch.
3. Locate the wlSecurityProviders.jar in the directory structure of 8.1 Service Pack 2. Move it out to another directory. Note: Simply renaming this file may not prevent it from being referenced.
4. Replace the wlSecurityProviders.jar file into the directory where you located the existing .jar file.
5. Download and apply the patch #7824683 from OracleMetaLink as per the instructions below:
• Select the Patches and Updates tab after logging in to OracleMetaLink.
• Click Simple Search.
• In the Search By field, select Patch Number from the list.
• Enter the patch number. The patch number may be different for different product releases and platforms.
• Select the platform (or choose generic as applicable)
• Click Go.
• Click Download to download the patch.
WebLogic Server version 8.1 Service Pack 3 will include the functionality in this patch.

WebLogic Server and WebLogic Express version 7.0

1. Upgrade to WebLogic Server and WebLogic Express version 7.0 Service Pack 5.


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