Is that not a defect of the browsers?

On Tue, Feb 2, 2010 at 7:57 PM, David Pollak
<[email protected]> wrote:
> Folks,
>
> Turns out there's a security vulnerability in Lift.  It's possible to insert
> control characters into input fields.  When the control characters are sent
> back to the browser, the browser will choke.  An example can be seen at
> http://demo.liftweb.net  Go to that page, enter your name in the chat input
> box and then reload the page.  In Firefox, the page will not be rendered at
> all.  In Chrome, rendering will stop at the point that the control character
> is encountered.  This can cause a denial of service attack on any page that
> contains user input.
>
> I will work on a fix for this vulnerability (filter control characters other
> than \n and \r from Text fields when the page is being sent back to the
> browser.)
>
> I'd like to get a sense of how important the community views this defect.
> Is it a "backport the fix to every milestone and release yesterday" or is it
> a "fix it in 2.0-M2" or someplace in between.
>
> Thanks,
>
> David
>
> --
> Lift, the simply functional web framework http://liftweb.net
> Beginning Scala http://www.apress.com/book/view/1430219890
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>
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