Vulnerability Note VU#924300

Oracle WebLogic Node Manager allows arbitrary configuration via UNC path

Overview

Oracle WebLogic Node Manager 10.3.3 and earlier versions contain a remote file inclusion vulnerability. This vulnerability could allow a remote attacker to execute arbitrary commands on an affected system.

I. Description

Node Manager is a WebLogic Server utility that enables you to start, shut down, and restart Administration Server and Managed Server instances from a remote location. An unauthenticated attacker has the ability to set the configuration file via UNC path.

An unauthenticated attacker can connect to the Node Manager service and set the configuration file location to a remote UNC path controlled by the attacker. The configuration file specifies the location of the password file, which can also be located on a UNC path controlled by the attacker. After the attacker has authenticated with their own password file they can use built in Node Manager features to execute commands on the Node Manager server.

II. Impact

A remote attacker with the ability to supply configuration files to an affected system may be able to bypass legitimate authentication checks and execute remote commands on an affected system.

III. Solution

We are currently unaware of a practical solution to this problem.

Firewall rules should be implemented to restrict the use of UNC paths on the Node Manager server as well as restricting access to the Node Manager service to only trusted sources.

Vendor Information

Vendor	Status	Date Notified	Date Updated
Oracle Corporation	Affected	2010-05-25	2010-06-14

References

Credit

Thanks to Carl Livitt of Stach & Liu, LLC for reporting this vulnerability.

This document was written by Jared Allar.

Other Information

Date Public:	2010-10-12
Date First Published:	2010-10-12
Date Last Updated:	2010-10-12
CERT Advisory:
CVE-ID(s):
NVD-ID(s):
US-CERT Technical Alerts:
Metric:	0.95
Document Revision:	26