full-disclosure - Re: GitHub Login Cookie Failure

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Date: Mon, 8 Apr 2013 23:17:48 +0200
From: Gregory Boddin <gregory@...hine.net>
To: Chris Roussel <lab12@...abit.com>
Cc: full-disclosure@...ts.grok.org.uk
Subject: Re: GitHub Login Cookie Failure

What's the cookie expiration time ? Does the server's session overlap it ?

If it's pretty long :

Catch someone's computer backup (happy cloud) , import cookies -> same
effect .

If yes, I say it's a valid note ;)




On 8 April 2013 18:19, Chris Roussel <lab12@...abit.com> 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!
>
> I know, it is very difficult to catch my cookies while I'm on an https
> session, but this is only a note.
>
> Best regards,
>
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