Re: Basic Web Functionality - Security Question

From: Date: Mon, 11 Aug 2014 21:59:02 +0000
Subject: Re: Basic Web Functionality - Security Question
References: 1 2  Groups: php.general 
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On 11 August 2014 21:11:08 BST, Aziz Saleh <azizsaleh@gmail.com> wrote: >On Mon, Aug 11, 2014 at 4:02 PM, dealTek <dealtek@gmail.com> wrote: > >> Hi all, >> >> Assuming the following: >> >> >> - in your database you are using serial numeric ID's >> - with php you do a search query to get a number of items - then you >> display the results in a loop on a web page list view. >> - then on each row you have an edit button for that item. Here, the >link >> is something like: editpage.php?id=<?php echo >$record->getField('item_id'); >> ?> >> - now when you click to the edit page - it will do another query to >get >> all the item details and display an edit form - etc. >> >> >> Problem: In this case - anyone can simply change the url id=xxx to >any >> other number and it will make the page search for another item >record. >> >> >> Q: HOW can we lock this down so as to prevent the above scenario and >it is >> a more secure system? >> >> BTW: One method that we can use is to have a second field such as a >random >> number field in the table data - then search for both - which people >will >> have a hard time guessing like this link: editpage.php?id=<?php echo >> $record->getField('item_id'); ?>&random=<?php echo >> $record->getField('randomnum); ?> >> >> ANY BETTER SUGGESTIONS to lock things down? >> >> >> -- >> Thanks, >> Dave - DealTek >> dealtek@gmail.com >> [db-14] >> >> >> -- >> PHP General Mailing List (http://www.php.net/) >> To unsubscribe, visit: http://www.php.net/unsub.php >> >> >Are those Id's owned (each user has a set of Ids) or accessible by all? A guid generated as an md5 of the auto id and another field? Thanks, Ash

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