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Re^2: Mojolicious vs Dancer (security-wise)?

by Anonymous Monk
on Sep 22, 2012 at 02:27 UTC ( #995023=note: print w/ replies, xml ) Need Help??


in reply to Re: Mojolicious vs Dancer (security-wise)?
in thread Mojolicious vs Dancer (security-wise)?

I don't know if this prevents all XSRF vectors, but it seems pretty secure.

It prevents zero XSRF vectors because XSRF is session riding , the request comes from the users browser, using the existing session cookie


Comment on Re^2: Mojolicious vs Dancer (security-wise)?
Re^3: Mojolicious vs Dancer (security-wise)?
by davido (Archbishop) on Sep 22, 2012 at 05:19 UTC

    You're correct.

    Maybe either Mojolicious::Plugin::CSRFProtect or Mojolicious::Plugin::CSRFDefender would be reasonable steps in the right direction. The former looks to be more thorough, while the latter looks a little more foolproof.

    Mojolicious::Plugin::CSRFProtect adds a hidden input field to forms, adds a token to ajax requests, rejects all non-GET/HEAD requests without the token, and simplifies the safeguarding of GET/HEAD requests and side-effect links.

    This seems to provide the mechanism needed to implement one of the prevention measures mentioned in the Wikipedia article to which you linked: "Requiring a secret, user-specific token in all form submissions and side-effect URLs prevents CSRF; the attacker's site cannot put the right token in its submissions."

    I'm using Mojolicious::Plugin::CSRFProtect in a project. It's convenient. All I have to do is make sure my routes for forms only respond to POST requests, and that my forms use the "form_for" helper. pretty slick.


    Dave

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