full-disclosure - Exploiting an online store

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Date: Thu Sep 15 21:16:25 2005
From: fd at ew.nsci.us (fd@...nsci.us)
Subject: Exploiting an online store

On Wed, 14 Sep 2005, Josh perrymon wrote:

> I was reading an article about an attacker that could have changed a
> price in an online shopping cart-
> 
> Snip----
> Next, Reshef performed a little number he calls ``electronic 
> shoplifting'': He edited the site's online order form to reduce the
> price 
> of a book from $22.95 to $2.95. Had he gone a few steps farther, Reshef 
> actually could have purchased the book for the reduced price, adding a 
> whole new spin to Priceline.com's ``name-your-own-price'' marketing 
> campaign. 
> 
> Reshef's exploits didn't require any sophisticated software or 
> particularly detailed knowledge of computer code. ``The only thing you 
> need is an HTML editor that comes bundled with your Netscape or Internet
> 
> Explorer browser,'' he said. ``There is no magic to this.'' 
> ---

There is no client side security.  Period.  Who wrote the shopping cart 
and allowed posting the price to it??  Wow ...


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Eric Wheeler
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