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CERT^® Advisory CA-2001-29 Oracle9iAS Web Cache vulnerable to buffer overflow

Original release date: October 25, 2001
Last revised: --
Source: CERT/CC

A complete revision history can be found at the end of this file.

Systems Affected

Systems running:

Oracle9iAS Web Cache

Overview

A remotely exploitable buffer overflow in the Oracle9iAS Web Cache allows intruders to execute arbitrary code or disrupt the normal operation of Web Cache.

I. Description

Defcom Labs has discovered a remotely exploitable buffer overflow vulnerability in the Oracle9iAS Web Cache (on all platforms) that allows intruders to either execute arbitrary code with the privileges of the Web Cache process, or disrupt the normal operation of Web Cache. The Oracle9iAS Web Cache provides four web services that are all vulnerable and enabled by default when the software is installed. For more information about these web services, please see the Oracle9iAS Web Cache Administration and Deployment Guide (registration required). These services and the associated ports they listen on are listed below:

1100/tcp (incoming web cache proxy)
4000/tcp (administrative interface)
4001/tcp (web XML invalidation port)
4002/tcp (statistics port)

Additional information regarding this vulnerability is available at

http://otn.oracle.com/deploy/security/pdf/webcache.pdf

http://www.securityfocus.com/archive/1/3BCEE434.F597D815@defcom.com

II. Impact

An intruder can execute arbitrary code with the privileges of the web cache process or disrupt the normal operation of Web Cache. Additionally, an intruder might be able to intercept and/or modify sensitive data such as credentials and other types of sensitive information passing through the host running Web Cache. Finally, an intruder may be able to gain access to other systems by using Web Cache as an entry point into the network or by leveraging an existing trust relationship between Web Cache and another system.

III. Solution

Install a patch from Oracle. More information is available in Appendix A.

Appendix A. - Vendor Information

This appendix contains information provided by vendors for this advisory. When vendors report new information to the CERT/CC, we update this section and note the changes in our revision history. If a particular vendor is not listed below, we have not received their comments.

Oracle

Please see http://otn.oracle.com/deploy/security/pdf/webcache.pdf

Appendix B. - References

The CERT Coordination Center thanks Defcom Security, who discovered this vulnerability and published the information in their advisory. Additionally, we thank Oracle, who published an advisory on this issue.

Author: Ian A. Finlay.

This document is available from: http://www.cert.org/advisories/CA-2001-29.html

CERT/CC Contact Information

Email: cert@cert.org
Phone: +1 412-268-7090 (24-hour hotline)
Fax: +1 412-268-6989
Postal address:

CERT Coordination Center
Software Engineering Institute
Carnegie Mellon University
Pittsburgh PA 15213-3890
U.S.A.

CERT/CC personnel answer the hotline 08:00-17:00 EST(GMT-5) / EDT(GMT-4) Monday through Friday; they are on call for emergencies during other hours, on U.S. holidays, and on weekends.

Using encryption

We strongly urge you to encrypt sensitive information sent by email. Our public PGP key is available from

http://www.cert.org/CERT_PGP.key

If you prefer to use DES, please call the CERT hotline for more information.

Getting security information

CERT publications and other security information are available from our web site

http://www.cert.org/

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Revision History

October 25, 2001:  initial release

CERT® Advisory CA-2001-29 Oracle9iAS Web Cache vulnerable to buffer overflow