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Unchecked Buffer in Network Share Provider Vulnerability: Aug 22

Discussion in 'Windows XP' started by eddie5659, Aug 24, 2002.

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  1. eddie5659

    eddie5659 Moderator Malware Specialist Thread Starter

    Mar 19, 2001

    SMB (Server Message Block) is the protocol Microsoft uses to share
    files, printers, serial ports, and also to communicate between
    computers using named pipes and mail slots. In a networked
    environment, servers make file systems and resources available to
    clients. Clients make SMB requests for resources and servers make
    SMB responses in what described as a client server, request-
    response protocol.

    By sending a specially crafted packet request, an attacker can mount
    a denial of service attack on the target server machine and crash
    the system. The attacker could use both a user account and anonymous
    access to accomplish this. Though not confirmed, it may be possible
    to execute arbitrary code.

    Affected Software:

    Microsoft Windows NT 4.0 Workstation
    Microsoft Windows NT 4.0 Server
    Microsoft Windows NT 4.0 Server, Terminal Server Edition
    Microsoft Windows 2000 Professional
    Microsoft Windows 2000 Server
    Microsoft Windows 2000 Advanced Server
    Windows XP Professional

    Maximum Severity Rating: Moderate

    Download locations for this patch

    Microsoft Windows NT 4.0:


    Microsoft Windows NT 4.0 Terminal Server Edition:


    Microsoft Windows 2000:


    Microsoft Windows XP:


    Microsoft Windows XP 64 bit Edition:




  2. Nick Scott

    Nick Scott

    Dec 11, 2001
    Thanks for the heads up Eddie. One for System and Network admins to get to grips with ASAP.
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