Operating System:

Published:

20 January 2005

Protect yourself against future threats.

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

===========================================================================
             AUSCERT External Security Bulletin Redistribution

           ESB-2005.0070 -- iDEFENSE Security Advisory 01.20.05
  3Com OfficeConnect Wireless 11g AP Information Disclosure Vulnerability
                              21 January 2005

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           3Com OfficeConnect Wireless 11g Access Point
Publisher:         iDEFENSE
Impact:            Access Confidential Data
Access:            Remote/Unauthenticated
CVE Names:         CAN-2005-0112

Original Bulletin: http://www.idefense.com/application/poi/display?id=188

- --------------------------BEGIN INCLUDED TEXT--------------------

3Com OfficeConnect Wireless 11g AP Information Disclosure Vulnerability

iDEFENSE Security Advisory 01.20.05
www.idefense.com/application/poi/display?id=188&type=vulnerabilities
January 20, 2005

I. BACKGROUND

The 3Com OfficeConnect Wireless 11g Access Point provides users with
access to network resources, the Internet, and e-mail at speeds up to
54 Mbps and at distances up to 100 meters (328 feet). More information
about the product is available at 

    http://www.3com.com/products/en_US/detail.jsp?tab=features
        &pathtype=purchase&sku=3CRWE454G72

II. DESCRIPTION

Remote exploitation of an input validation vulnerability in 3Com Corp.'s
OfficeConnect Wireless 11g Access Point allows attackers to glean
sensitive router information.

The 3Com OfficeConnect Wireless 11g Access Point (AP) provides an
administrative interface via a web server accessible on port 80. This
interface is exposed by default on the internal ethernet interface and
the wireless interface, and it is also possible to expose it on the
external ethernet interface. The problem specifically exists due to
insufficient privilege checks when accessing various URLs without going
through the formal logon process. An unauthenticated attacker can glean
sensitive information from the device via the following URLs:

    /main/config.bin
    /main/profile.wlp?PN=ggg
    /main/event.logs

These URLs will expose the administrative username and password in clear
text, the WEP key and SSID, and the router log file respectively.

III. ANALYSIS

Successful exploitation allows remote attackers to glean sensitive
router information, allowing the attacker to gain full control of the
device. Compromise of the Access Point (AP) allows an attacker to
potentially redirect traffic, access nodes behind the AP that are
otherwise unaddressable and potentially monitor traffic from a remote
location. This can lead to further compromise of other computers.

IV. DETECTION

It has been reported that firmware version 1.00.08 shipped on the 3Com
OfficeConnect Wireless 11g Access Point is vulnerable. It is suspected
that earlier versions are also vulnerable.

V. WORKAROUND

iDEFENSE is currently unaware of any workarounds for this issue.

VI. VENDOR RESPONSE

Firmware version 1.03.07A for 3CRWE454G72 has been released to addresses
the vulnerability.

   http://www.3com.com/products/en_US/result.jsp?selected=6&sort=effdt
      &order=desc&sku=3CRWE454G72

VII. CVE INFORMATION

The Common Vulnerabilities and Exposures (CVE) project has assigned the
names CAN-2005-0112 to these issues. This is a candidate for inclusion
in the CVE list (http://cve.mitre.org), which standardizes names for
security problems.

VIII. DISCLOSURE TIMELINE

12/21/2004  Initial vendor notification - No response
01/06/2005  Secondary vendor notification
01/07/2005  Initial vendor response
01/20/2004  Public disclosure

IX. CREDIT

Patrik, cqure.net is credited with this discovery.

Get paid for vulnerability research
http://www.idefense.com/poi/teams/vcp.jsp

X. LEGAL NOTICES

Copyright (c) 2005 iDEFENSE, Inc.

Permission is granted for the redistribution of this alert
electronically. It may not be edited in any way without the express
written consent of iDEFENSE. If you wish to reprint the whole or any
part of this alert in any other medium other than electronically, please
email customerservice@idefense.com for permission.

Disclaimer: The information in the advisory is believed to be accurate
at the time of publishing based on currently available information. Use
of the information constitutes acceptance for use in an AS IS condition.
There are no warranties with regard to this information. Neither the
author nor the publisher accepts any liability for any direct, indirect,
or consequential loss or damage arising from use of, or reliance on,
this information.

- --------------------------END INCLUDED TEXT--------------------

You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.

NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members.  As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.

NOTE: This is only the original release of the security bulletin.  It may
not be updated when updates to the original are made.  If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.

Contact information for the authors of the original document is included
in the Security Bulletin above.  If you have any questions or need further
information, please contact them directly.

Previous advisories and external security bulletins can be retrieved from:

        http://www.auscert.org.au/render.html?cid=1980

If you believe that your computer system has been compromised or attacked in 
any way, we encourage you to let us know by completing the secure National IT 
Incident Reporting Form at:

        http://www.auscert.org.au/render.html?it=3192

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
===========================================================================

-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967

iQCVAwUBQfBjtyh9+71yA2DNAQLX9QP/UdeECXGC+vjb3eE/QJ1r6WyNq1Rx4ZCg
yppwyYIvy1MOUiio2nzuAmDVPykre3M2/ISBnS2HZ3p92HoGG0UASIoM+fOQVpX/
9s1egqION2Shwfvq2G7JXc/A2KLtAM+o0V+4fn5gEut4pEjg6Rl0Hmay1y6qIo9A
0Zz9ay/vpdE=
=qw72
-----END PGP SIGNATURE-----