Exploit Exponent CMS 0.97 - Multiple Vulnerabilities

Exploiter

Хакер
34,644
0
18 Дек 2022
EDB-ID
15247
Проверка EDB
  1. Пройдено
Автор
LIQUIDWORM
Тип уязвимости
WEBAPPS
Платформа
PHP
CVE
N/A
Дата публикации
2010-10-13
Код:
Exponent CMS v0.97 Multiple Vulnerabilities


Vendor:  OIC Group Inc.
Product web page: http://www.exponentcms.org
Affected version: 0.97

Summary: Open Source Content Management System (PHP+MySQL).

Desc: Exponent CMS suffers from multiple vulnerabilities:

#1. Local File Inclusion / File Disclosure Vulnerability
#2. Arbitrary File Upload / File Modify Vulnerability
#3. Reflected Cross-Site Scripting Vulnerability

(1) LFI/FD occurs when input passed thru the params:
- "action"
- "expid"
- "ajax_action"
- "printerfriendly"
- "section"
- "module"
- "controller"
- "int"
- "src"
- "template"
- "page"
- "_common"

to the scripts:
- "index.php"
- "login_redirect.php"
- "mod_preview.php"
- "podcast.php"
- "popup.php"
- "rss.php"

is not properly verified before being used to include files.
This can be exploited to include files from local resources
with directory traversal attacks and URL encoded NULL bytes.


(2) AFU/E occurs due to an error in:
- "upload_fileuploadcontrol.php"
- "upload_standalone.php"
- "manifest.php"
- "delete.php"
- "edit.php"
- "manage.php"
- "rank_switch.php"
- "save.php"
- "view.php"
- "class.php"
- "deps.php"
- "delete_form.php"
- "delete_process.php"
- "search.php"
- "send_feedback.php"
- "viewday.php"
- "viewmonth.php"
- "viewweek.php"
- "testbot.php"
- "activate_bot.php"
- "deactivate_bot.php"
- "manage_bots.php"
- "run_bot.php"
- "class.php"
- "delete_board.php"
- "delete_post.php"
- "edit_board.php"
- "edit_post.php"
- "edit_rank.php"
- "monitor_all_boards.php"
- "monitor_board.php"
- "monitor_thread.php"
- "preview_post.php"
- "save_board.php"
- "save_post.php"
- "save_rank.php"
- "view_admin.php"
- "view_board.php"
- "view_rank.php"
- "view_thread.php"
- "banner_click.php"
- "ad_delete.php"
- "ad_edit.php"
- "ad_save.php"
- "af_delete.php"
- "af_edit.php"
- "af_save.php"
- "delete_article.php"
- "edit_article.php"
- "save_article.php"
- "save_submission.php"
- "submit_article.php"
- "view_article.php"
- "view_submissions.php"
- "coretasks.php"
- "htmlarea_tasks.php"
- "search_tasks.php"
- "clear_smarty_cache.php"
- "configuresite.php"
- "config_activate.php"
- "config_configuresite.php"
- "config_delete.php"
- "config_save.php"
- "examplecontent.php"
- "finish_install_extension.php"
- "gmgr_delete.php"
- "gmgr_editprofile.php"
- "gmgr_membership.php"
- "gmgr_savegroup.php"
- "gmgr_savemembers.php"

as it allows uploads of files with multiple extensions to a
folder inside the web root. This can be exploited to execute
arbitrary PHP code by uploading a specially crafted PHP script.

The uploaded files are stored in: [CMS_ROOT_HOST]\files


(3) XSS occurs when input passed to the params:
- "u"
- "expid"
- "ajax_action"
- "ss"
- "sm"
- "url"
- "rss_url"
- "lang"
- "toolbar"
- "section"
- "section_name"
- "src"

in scripts:
- "slideshow.js.php"
- "picked_source.php"
- "magpie_debug.php"
- "magpie_simple.php"
- "magpie_slashbox.php"
- "test.php"
- "fcktoolbarconfig.js.php"
- "section_linked.php"
- "index.php"

is not properly sanitised before being returned to the user.
This can be exploited to execute arbitrary HTML and script
code in a user's browser session in context of an affected site.


Tested on: Microsoft Windows XP Professional SP3 (English)
           Apache 2.2.14 (Win32)
           MySQL 5.1.41
           PHP 5.3.1


Vendor status: [09.10.2010] Vulnerabilities discovered.
               [10.10.2010] Vendor contacted.
               [13.10.2010] No reply from vendor.
               [14.10.2010] Public advisory released.


Advisory ID: ZSL-2010-4969
Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2010-4969.php


Vulnerabilities discovered by: Gjoko 'LiquidWorm' Krstic
                               liquidworm gmail com
                               Zero Science Lab - http://www.zeroscience.mk


Proofs of Concept:

(1) LFI/FD - http://exponent_site/index.php?action=..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2fboot.ini%00&expid=..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2fboot.ini%00&ajax_action=..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2fboot.ini%00&printerfriendly=..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2fboot.ini%00&section=..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2fboot.ini%00&module=..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2fboot.ini%00&controller=..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2fboot.ini%00

...

(2) AFU/E - http://exponent_site/modules/cermi/actions/upload_fileuploadcontrol.php?action=[FILE]&expid=[FILE]&ajax_action=[FILE]

...

(3) XSS - http://exponent_site/external/magpierss/scripts/magpie_slashbox.php?rss_url=3141%3cscript%3ealert("zsl_xss")%3c%2fscript%3e

...
 
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