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upload security


robert_gsfame
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I have a form to upload a file and file allowed must be in document format only.

I have tried to filter using

$filetype=$_FILES['file']['type'];

if(($filetype!=="application/msword")&&($filetype!=="application/doc")&&($filetype!=="application/pdf")){

//not allowed}

 

also i have included .htaccess in the upload folder

Options -Indexes

Options -ExecCGI

AddHandler cgi-script .php .php3 .php4 .phtml .pl .py .jsp .asp .htm .shtml .sh .cgi

<Files ^(*.doc|*.pdf|*.rtf)>

order deny,allow

deny from all

</Files>

 

but still someone can inject PHP File into my upload folder.

 

Which part is wrong and how to close that hole?

 

Thx in advance

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