BEA WebLogic Server contains vulnerability in handling of certain tags when editing "weblogic.xml"

2004-06-11T00:00:00
ID VU:950070
Type cert
Reporter CERT
Modified 2004-06-11T00:00:00

Description

Overview

BEA WebLogic Server contains a vulnerability in the way Weblogic Builder and the SecurityRoleAssignmentMBean.toXML method parse certain tags in the weblogic.xml file.

Description

BEA Systems describes WebLogic Server as "an industrial-strength application infrastructure for developing, integrating, securing, and managing distributed Java applications." There is a vulnerability in the way Weblogic Builder and the SecurityRoleAssignmentMBean.toXML method handle missing tags in the weblogic.xml file. When this file contains the <security-role-assignment> tag, but does not contain a <principal-name> tag, the <security-role-assignment> tag is removed and default roles are assigned by the Servlet container.

According to the BEA Security Advisory, 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 5, on all platforms.

Impact

A remote user may be able to gain unauthorized access to a web application.


Solution

Apply a Patch