[NEWS] Belkin Wireless Devices Authentication Bypass Vulnerability

From: SecuriTeam (support_at_securiteam.com)
Date: 11/21/05

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Date: 21 Nov 2005 17:11:24 +0200

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      Belkin Wireless Devices Authentication Bypass Vulnerability
    ------------------------------------------------------------------------

    SUMMARY

    A security vulnerability have been found in authentication system of
    Belkin Wireless Routers, while administrator is authenticated, any user
    can view and change router's configuration.

    DETAILS

    Vulnerable Systems:
     * Belkin Wireless Router model F5D7232-4
     * Belkin Wireless Router model F5D7230-4
     * Firmware version 4.05.03
     * Firmware version 4.03.03
    (Previous firmware versions are also likely to be effected. Other Belkin
    wireless devices are likely to be vulnerable.)

    While a legitimate device administrator is logged into the router's web
    management interface, any other user/attacker can access, view and change
    router's web configuration without authentication from any network
    address. This presents an opportunistic vector of attack on the device in
    question.

    Workaround:
    At the release time of this advisory, Belkin didn't have an update that
    solves the issue. It is advised to filter all requests to web
    administration interface of the device.

    ADDITIONAL INFORMATION

    The information has been provided by <mailto:mlists@arhont.com> Andrei
    Mikhailovsky.

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

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