full-disclosure - Re: GitHub Login Cookie Failure

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Message-ID: <20130408204043.GD18465@debjann.fritz.box>
Date: Mon, 8 Apr 2013 22:40:43 +0200
From: Jann Horn <jann@...jh.net>
To: full-disclosure@...ts.grok.org.uk
Cc: support@...hub.com
Subject: Re: GitHub Login Cookie Failure

On Mon, Apr 08, 2013 at 10:37:09PM +0200, Jann Horn wrote:
> On Mon, Apr 08, 2013 at 11:19:37AM -0500, Chris Roussel wrote:
> > Dear Hackers,
> > 
> > I've discovered what I think is a failure in GitHub.com login cookies:
> > 
> > I installed the "Import Cookies" & "Export Cookies" plugins in my
> > firefox 20, then I signed in at github and exported my cookies, then I
> > signed out, I cleaned all the cookies in my browser and I started it
> > again, then I imported the cookies and I am login in without typing my
> > passwords, I've tried this with my google account, but there is clear
> > that when I signed out the info in the cookies was annulled, then it
> > appears like I am signed while I am searching, but if I want to check my
> > mail/drive I have to type my password.
> > 
> > If you can reproduce this, tell to githubbers, if you can not let us know!
> 
> [+CC github support]
> So why exactly did you post here before contacting them?

Reproduced. Froze all Cookies using "Edit this Cookie", logged out, loaded github.com,
was back in.

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