Security Advisories and Notifications


Security Advisory: (BEA05-86.00)

From: Oracle Corporation

Minor Subject: In specific circumstances, client/server communications are not using the SSL connection as expected

Product(s) Affected: WebLogic Server and WebLogic Express

Threat level: Medium
In specific circumstances, client/server communication that is intended to use an SSL connection may not be using it.

Severity: High
Sensitive data such as passwords may be snooped on the wire.

A problem was identified that could potentially cause a security vulnerability in certain versions of WebLogic Server. Patches and an upgrade are 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

Java client applications that create both insecure and secure (SSL) connections to the same server are affected.

If a Java client application creates a non-SSL T3 connection to a server and then creates an SSL T3S connection to the same server, the first non-SSL connection will be used rather than the second SSL connection.

This patch resolves the issue by ensuring that the SSL connection is used.

The following versions of WebLogic Server and WebLogic Express are affected by this vulnerability

  • WebLogic Server 8.1 released through Service Pack 4, on all platforms.
  • WebLogic Server 7.0 released through Service Pack 6, on all platforms.
  • WebLogic Server 6.1 released through Service Pack 7, 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 service pack 5.


WebLogic Server and WebLogic Express version 7.0
  1. Upgrade to WebLogic Server and WebLogic Express 7.0 Service Pack 6.
  2. Download and apply the patch #7824089 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.
  3. Place the jar for the patch in the CLASSPATH before the weblogic.jar file, and also in the client's CLASSPATH.
Note: The patch above is the same as the patch included in BEA05-85.00. The two patches were combined due to a class conflict in the jar file. Applying this one jar file resolves both issues.

WebLogic Server 7.0 Service Pack 7 will include the functionality in this patch.

WebLogic Server and WebLogic Express version 6.1
  1. Upgrade to WebLogic Server and WebLogic Express 6.1 Service Pack 7.
  2. Download and apply the patch #7824080 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.
  3. Place the jar for the patch in the CLASSPATH before the weblogic.jar file, and also in the client's CLASSPATH.
Note: The patch above is the same as the patch included in BEA05-85.00. The two patches were combined due to a class conflict in the jar file. Applying this one jar file resolves both issues.

WebLogic Server 6.1 Service Pack 8 will include the functionality in this patch.


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