File Sharing And Chat 1.0 Denial Of Service

Topic created · 1 Posts · 0 Views
  • File Sharing and Chat version 1.0 for iOS suffers from a denial of service vulnerability.
    MD5 | 807f8e46aa296b66e21c773f1e5ca723

    Document Title:  
    File Sharing & Chat v1.0 iOS - Denial of Service Vulnerability  
    References (Source):  
    Release Date:  
    Vulnerability Laboratory ID (VL-ID):  
    Common Vulnerability Scoring System:  
    Vulnerability Class:  
    Denial of Service  
    Current Estimated Price:  
    500€ - 1.000€  
    Product & Service Introduction:  
    WiFi File Transfer is easiest and quickest file sharing application,  
    supporting multiple files sharing with multiple devices simultaneously.  
    WiFi File Transfer Application provides solution for the iPhone users  
    who want to connect their mobile with PC without connecting a data cable  
    or wire. WiFi File Sharing App provides the connectivity of mobile  
    device with PC through Wi-Fi. User can copy, paste, and delete files from  
    phone by connecting it with Computer. App also supports transfer between  
    one iPhone to another iPhone.  
    (Copy of the Homepage:  
    Abstract Advisory Information:  
    The vulnerability laboratory core research team discovered a remote  
    denial of service vulnerability in the  
    Affected Product(s):  
    Sandeep Bhandari  
    File Sharing & Chat v1.0 - Apple iOS Mobile Web Application  
    Vulnerability Disclosure Timeline:  
    2020-04-27: Public Disclosure (Vulnerability Laboratory)  
    Discovery Status:  
    Exploitation Technique:  
    Severity Level:  
    Authentication Type:  
    No authentication (guest)  
    User Interaction:  
    No User Interaction  
    Disclosure Type:  
    Independent Security Research  
    Technical Details & Description:  
    A denial of service web vulnerability has been discovered in the  
    official mobile ios web-application.  
    The vulnerability allows remote attackers to crash or freeze the  
    application process or its components.  
    Attackers are able to transmit special crafted chat messages to trigger  
    a validation error that is able  
    to crash the mobile ios application process. The error occurs due to the  
    transmit of the message body content.  
    On delivery all connected clients to the chats are crashing at the same  
    Proof of Concept (PoC):  
    The denial of service vulnerability can be exploited by remote attackers  
    without user interaction or privileged user accounts.  
    For security demonstration or to reproduce the web vulnerability follow  
    the provided information and steps below to continue.  
    Manual steps to reproduce the vulnerability ...  
    1. Open the web-application  
    2. Open the chat module on the buttom of the app index  
    3. Insert payload and transmit via send to all users  
    4. All app clients do crash with an uncaught validation exception  
    5. Successful reproduce of the denial of service vulnerability!  
    PoC: Exploitation  
    ็‰ º • • • •  
    Security Risk:  
    The security risk of the denial of service web vulnerability in the  
    mobile web-application is estimated as medium.  
    Credits & Authors:  
    Vulnerability-Lab -  
    Benjamin Kunz Mejri -  
    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. Some states do  
    not allow the exclusion or limitation of liability for consequential or  
    incidental damages so the foregoing limitation may not apply.  
    We do not approve or encourage anybody to break any licenses, policies,  
    deface websites, hack into databases or trade with stolen data.  
    Any modified copy or reproduction, including partially usages, of this  
    file requires authorization from Vulnerability Laboratory.  
    Permission to electronically redistribute this alert in its unmodified  
    form is granted. All other rights, including the use of other  
    media, are reserved by Vulnerability-Lab Research Team or its suppliers.  
    All pictures, texts, advisories, source code, videos and other  
    information on this website is trademark of vulnerability-lab team & the  
    specific authors or managers. To record, list, modify, use or  
    edit our material contact ([[email protected]](/cdn-cgi/l/email-protection) or [[email protected]](/cdn-cgi/l/email-protection)) to get a ask permission.  
    Copyright © 2020 | Vulnerability Laboratory - [Evolution  
    Security GmbH]™  


Log in to reply