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IBM TS3100/TS3200 Web UI Authentication Bypass

IBM TS3100/TS3200 Web UI Authentication Bypass
Posted Dec 21, 2011
Site trustwave.com

The IBM TS3200/TS3200 Web User Interface is vulnerable to an authentication bypass attack. By sending a series of requests to the authentication function, it is possible to trigger a condition which causes the application to grant an access cookie which permits remote administration. Firmware less than A.60 is affected.

tags | exploit, remote, web
advisories | CVE-2011-1372
MD5 | 88caf5eb0f708121eecb5d9740b94049

IBM TS3100/TS3200 Web UI Authentication Bypass

Change Mirror Download
Trustwave's SpiderLabs Security Advisory TWSL2011-018:
Authentication Bypass Vulnerability in IBM TS3100/TS3200 Web User Interface

https://www.trustwave.com/spiderlabs/advisories/TWSL2011-018.txt

Published: 2011-12-20
Version: 1.0

Vendor: IBM (http://www.ibm.com)
Product: TS3100/TS3200 Tape Library
Version affected: Firmware less than A.60

Product description:
Entry-level tape library designed to provide reliable,high capacity, high
performance tape backup. The TS3100/TS3200 models and its storage
management applications are designed to address capacity, performance, data
protection, reliability, availability, affordability and application
requirements. It is designed as a functionally rich, entry tape-storage
solution incorporating LTO Ultrium tape technology.


Credit: Martin Murfitt of Trustwave SpiderLabs

Finding: Authentication Bypass (Web Management Console)
CVE: CVE-2011-1372

The IBM TS3200/TS3200 Web User Interface is vulnerable to an authentication
bypass attack. By sending a series of requests to the authentication
function, it is possible to trigger a condition which causes the
application to grant an access cookie which permits remote administration.

Repeated queries using the following HTTP query arguments provided
administrative access to the appliance after several tries:

user_level=3&password=aaaaaaaaaaa&login=Log+in'

The password is not believed to be significant. Once access is granted,
the following cookies are set on the client's browser:

Cookie: RMU_LEVEL=3; RMU_LOGIN=9999


Remediation Steps:
Update firmware version to A.60 or above.

Revision History:
1/17/11 - Vulnerability disclosed
11/18/11 - Patch released by vendor
12/20/11 - Advisory published


References
1. http://www-03.ibm.com/systems/storage/tape/ts3200/


About Trustwave:
Trustwave is the leading provider of on-demand and
subscription-based information security and payment card
industry compliance management solutions to businesses and
government entities throughout the world. For organizations
faced with today's challenging data security and compliance
environment, Trustwave provides a unique approach with
comprehensive solutions that include its flagship
TrustKeeper compliance management software and other
proprietary security solutions. Trustwave has helped
thousands of organizations--ranging from Fortune 500
businesses and large financial institutions to small and
medium-sized retailers--manage compliance and secure their
network infrastructure, data communications and critical
information assets. Trustwave is headquartered in Chicago
with offices throughout North America, South America,
Europe, Africa, China and Australia. For more information,
visit https://www.trustwave.com

About Trustwave's SpiderLabs:
SpiderLabs is the advance security team at Trustwave
responsible for incident response and forensics, ethical
hacking and application security tests for Trustwave's
clients. SpiderLabs has responded to hundreds of security
incidents, performed thousands of ethical hacking exercises
and tested the security of hundreds of business applications
for Fortune 500 organizations. For more information visit
https://www.trustwave.com/spiderlabs

Disclaimer:
The information provided in this advisory is provided "as
is" without warranty of any kind. Trustwave disclaims all
warranties, either express or implied, including the
warranties of merchantability and fitness for a particular
purpose. In no event shall Trustwave or its suppliers be
liable for any damages whatsoever including direct,
indirect, incidental, consequential, loss of business
profits or special damages, even if Trustwave or its
suppliers have been advised of the possibility of such
damages. Some states do not allow the exclusion or
limitation of liability for consequential or incidental
damages so the foregoing limitation may not apply.

This transmission may contain information that is privileged, confidential, and/or exempt from disclosure under applicable law. If you are not the intended recipient, you are hereby notified that any disclosure, copying, distribution, or use of the information contained herein (including any reliance thereon) is STRICTLY PROHIBITED. If you received this transmission in error, please immediately contact the sender and destroy the material in its entirety, whether in electronic or hard copy format.

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