full-disclosure - Re: Paper: Secure file upload in PHP web applications

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Date: Fri, 15 Jun 2007 10:44:41 +0300
From: Nikolay Kichukov <hijacker@...um.net>
To: Alla Bezroutchko <alla@...nit.be>
Cc: webappsec@...urityfocus.com, full-disclosure@...ts.grok.org.uk
Subject: Re: Paper: Secure file upload in PHP web
	applications

Very nice presentation.
Thanks a lot for sharing with us.

Regards,
-Nikolay Kichukov

Alla Bezroutchko wrote:
> Various web applications, such as blogs, forums and photo galleries
> allow users to upload files. Providing file upload function without
> opening security holes proved to be quite a challenge in PHP web
> applications. The applications we have tested suffered from a variety of
> security problems, ranging from arbitrary file disclosure to remote
> arbitrary code execution.
> 
> The paper describes various security holes occurring in file upload
> implementations and suggests a way to implement a secure file upload.
> 
> The paper can be downloaded from
> http://www.scanit.be/uploads/php-file-upload.pdf
> 
> Regards,
> Alla Bezroutchko
> Scanit
> http://www.scanit.be/
> 
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