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IT Security and Insecurity Portal |
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SA#41 - How to fix |
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 Posted: Sat Apr 16, 2005 2:55 pm |
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| waraxe |
| Site admin |
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| Joined: May 11, 2004 |
| Posts: 2407 |
| Location: Estonia, Tartu |
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OK, let's open "modules/Top/index.php" and now will find code line like:
| Code: |
$result9 = sql_query("SELECT pollID, pollTitle, timeStamp, voters FROM ".$prefix."_poll_desc $querylang order by voters DESC limit 0,$top", $dbi);
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And just add "p" char to "$querylang" so it will be "$queryplang".
Final result:
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$result9 = sql_query("SELECT pollID, pollTitle, timeStamp, voters FROM ".$prefix."_poll_desc $queryplang order by voters DESC limit 0,$top", $dbi);
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That's all. Enjoy and have a nice day  |
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Last edited by waraxe on Sun Feb 17, 2008 4:13 pm; edited 1 time in total |
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| Posted: Sun Apr 17, 2005 5:25 am |
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| y3dips |
| Valuable expert |
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| Joined: Feb 25, 2005 |
| Posts: 281 |
| Location: Indonesia |
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great , litle mistake make dissaster 
is there some software to check the script n found undeclarable variable ? or is it possible to made one?
*maybe like pscan or TESOgcc to find the wrong format string (in format string bof) |
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IO::y3dips->new(http://clog.ammar.web.id); |
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| Posted: Sun Apr 17, 2005 10:36 am |
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| waraxe |
| Site admin |
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| Joined: May 11, 2004 |
| Posts: 2407 |
| Location: Estonia, Tartu |
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| y3dips wrote: | great , litle mistake make dissaster
is there some software to check the script n found undeclarable variable ? or is it possible to made one?
*maybe like pscan or TESOgcc to find the wrong format string (in format string bof) |
I use very simple handmade php script, which will read in php script file, then searches for all variables and finally lists them all with frequency of using. Result is something like:
$mid --> 12 times
$buf --> 39 times
$restr --> 1 times
It is primitive utility, but helpful. |
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| Posted: Sun Apr 17, 2005 10:38 am |
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| shai-tan |
| Valuable expert |
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| Joined: Feb 22, 2005 |
| Posts: 477 |
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Did you make?
Is it downloadable from somewhere? |
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_________________
Shai-tan
?In short: just say NO TO DRUGS, and maybe you won?t end up like the Hurd people.? -- Linus Torvalds |
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| Posted: Sun Apr 17, 2005 10:46 am |
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| waraxe |
| Site admin |
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| Joined: May 11, 2004 |
| Posts: 2407 |
| Location: Estonia, Tartu |
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It is written for private use and therefore the code is a mess 
Try to write something similar, this is simple. |
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| Posted: Sun Apr 17, 2005 12:36 pm |
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| y3dips |
| Valuable expert |
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| Joined: Feb 25, 2005 |
| Posts: 281 |
| Location: Indonesia |
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| waraxe wrote: |
I use very simple handmade php script, which will read in php script file, then searches for all variables and finally lists them all with frequency of using. Result is something like:
$mid --> 12 times
$buf --> 39 times
$restr --> 1 times
It is primitive utility, but helpful. |
kewl,
could you describe more detailed ?
i was thinkin somethin like that , but i dont even have an idea for detail
btw , how did u find the variable name ? input/declare it manually or u have another technique ?
*i enjoy disscuss in here  |
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IO::y3dips->new(http://clog.ammar.web.id); |
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| Posted: Sun Apr 17, 2005 1:41 pm |
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| waraxe |
| Site admin |
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| Joined: May 11, 2004 |
| Posts: 2407 |
| Location: Estonia, Tartu |
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As i said before, code is a mess, because it was meant for private use.
But here it is:
| Code: |
<?php
if(empty($_REQUEST['file']))
{
?>
<HTML>
<HEAD>
<TITLE>Select file to analyze...</TITLE>
</HEAD>
<BODY>
<CENTER><br><br><br>
<H3>Enter filename ...</H3>
<FORM action="test.php" method="POST">
<INPUT type="text" name="file" length="40">
<INPUT type="submit" name="do" value="Analyze now!">
</FORM>
</CENTER>
</BODY>
</HTML>
<?php
}
else
{
if(!is_file('./'.$file.'.php'))
{
die('file can not be open, sorry...');
}
else
{
$lines = file('./'.$file.'.php');
$buf = '';
foreach ($lines as $line_num => $line)
{
$buf .= trim($line);
}
//-------------------------------------------------
$params = array();$offset = 0;
$buf = explode('$',$buf);
$nr = 0;
for ( $i = 1; $i < count($buf); $i ++ )
{
$buf2 = $buf[$i];
$len = strlen($buf2);
$len2 = 0;
for ( $j = 0; $j < $len; $j ++ )
{
$buf3 = substr($buf2,$j,1);
if(!is_var_char($buf3))
{
$len2 = $j;
$j += $len;
}
}
if($len2 > 0)
{
$buf3 = substr($buf2,0,$len2);
$old = 0;
for($j=0;$j<count($params);$j++)
{
if($params[$j][0] == $buf3)
{
$params[$j][1] ++;
$old = 1;
$j += count($params);
}
}
if($old == 0)
{
$params[$nr][0] = $buf3;
$params[$nr][1] = 1;
$nr ++;
}
}
}
sort($params);
for($i=0;$i<count($params);$i++)
{
echo '<br> $'.$params[$i][0].' --> '.$params[$i][1];
}
}
}
//---------------------------------------------------------------------------------------
function is_var_char( $buf )
{
$nr = ord( $buf );
if( ($nr > 64 && $nr < 91 ) || ($nr > 96 && $nr < 123) || ($nr > 47 && $nr < 58) || ($nr == 95) )
{
return true;
}
return false;
}
?>
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Primitive ... but helpful |
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| Posted: Mon Apr 18, 2005 3:10 am |
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| y3dips |
| Valuable expert |
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| Joined: Feb 25, 2005 |
| Posts: 281 |
| Location: Indonesia |
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thx, im saving the file , n hope could do somethin usefull with that
thx |
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_________________
IO::y3dips->new(http://clog.ammar.web.id); |
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| Posted: Thu Apr 21, 2005 8:40 am |
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| shai-tan |
| Valuable expert |
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| Joined: Feb 22, 2005 |
| Posts: 477 |
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_________________
Shai-tan
?In short: just say NO TO DRUGS, and maybe you won?t end up like the Hurd people.? -- Linus Torvalds |
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| Posted: Fri Apr 22, 2005 10:48 am |
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| y3dips |
| Valuable expert |
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| Joined: Feb 25, 2005 |
| Posts: 281 |
| Location: Indonesia |
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waraxe, thx for the script, primitive .. but what can i say , it COOL
thx one more time,
so you just found the variable with minimum used
eg:
$wew --> 12 times
$buf --> 39 times
$we --> 1 times
is it $we is $wew
so is it possible to do something nasty with that variable
once again, THX |
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_________________
IO::y3dips->new(http://clog.ammar.web.id); |
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| Posted: Sat Apr 30, 2005 6:59 pm |
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| KingOfSka |
| Advanced user |
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| Joined: Mar 13, 2005 |
| Posts: 61 |
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can someone explain me or give some link about this kind of vulns ?
i wanna learn to discover bugs
i found some RFI in home-made php script but it was more simple... |
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