CVE-2017-8936 Explained : Impact and Mitigation
Learn about CVE-2017-8936 affecting iOS versions 9.23.0 through 9.23.2 of the MoboTap Dolphin Web Browser app. Find out how attackers can intercept communication due to improper X.509 certificate validation.
The iOS versions of the MoboTap Dolphin Web Browser - Fast Private Internet Search app, specifically from 9.23.0 through 9.23.2, have a vulnerability that allows attackers to intercept communication between users and SSL servers due to improper X.509 certificate validation.
Understanding CVE-2017-8936
The vulnerability in the MoboTap Dolphin Web Browser app for iOS versions 9.23.0 through 9.23.2 enables malicious actors to create fake certificates and access sensitive data by exploiting the lack of proper certificate validation.
What is CVE-2017-8936?
The CVE-2017-8936 vulnerability pertains to the failure of the MoboTap Dolphin Web Browser app for iOS to validate X.509 certificates from SSL servers, leading to potential man-in-the-middle attacks.
The Impact of CVE-2017-8936
The vulnerability allows attackers to intercept communication between users and SSL servers, potentially exposing sensitive data to malicious actors who can create fake certificates.
Technical Details of CVE-2017-8936
The technical details of the CVE-2017-8936 vulnerability are as follows:
Vulnerability Description
- The MoboTap Dolphin Web Browser app for iOS versions 9.23.0 through 9.23.2 does not verify X.509 certificates from SSL servers.
Affected Systems and Versions
- Product: MoboTap Dolphin Web Browser - Fast Private Internet Search app
- Vendor: N/A
- Versions: 9.23.0 through 9.23.2
Exploitation Mechanism
- Attackers can exploit the lack of certificate validation to create fake certificates and intercept communication between users and SSL servers.
Mitigation and Prevention
To address CVE-2017-8936, consider the following mitigation strategies:
Immediate Steps to Take
- Update the MoboTap Dolphin Web Browser app to the latest version that includes a fix for the X.509 certificate validation issue.
- Avoid using unsecured networks where attackers can easily intercept communication.
Long-Term Security Practices
- Regularly update all apps on your device to ensure you have the latest security patches.
- Educate users about the risks of using unsecured networks and the importance of verifying SSL connections.
Patching and Updates
- Stay informed about security updates for the MoboTap Dolphin Web Browser app and promptly install any patches released by the vendor.