bugtraq - iDEFENSE Security Advisory 01.20.05: 3Com OfficeConnect Wireless 11g AP Information Disclosure Vulnerability

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Message-ID: <FB24803D1DF2A34FA59FC157B77C970503C8B3B1@idserv04.idef.com>
Date: Thu, 20 Jan 2005 17:33:57 -0500
From: "iDefense Customer Service" <customerservice@...fense.com>
To: <bugtraq@...urityfocus.com>,
	<vulnwatch@...nwatch.org>
Subject: iDEFENSE Security Advisory 01.20.05: 3Com OfficeConnect Wireless 11g AP Information Disclosure Vulnerability

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@...fense.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.