CVE-2017-5905 : What You Need to Know

The Dollar Bank Mobile app version 2.6.3 for iOS is vulnerable to a man-in-the-middle attack due to a lack of X.509 certificate verification, potentially exposing sensitive data to attackers.

Understanding CVE-2017-5905

This CVE entry highlights a security vulnerability in the Dollar Bank Mobile app for iOS version 2.6.3 that could allow malicious actors to intercept sensitive information.

What is CVE-2017-5905?

The iOS version 2.6.3 of the Dollar Bank Mobile app fails to validate X.509 certificates from SSL servers, enabling attackers positioned in the communication path to use manipulated certificates to access confidential data.

The Impact of CVE-2017-5905

This vulnerability could lead to unauthorized access to sensitive user data, potentially compromising the confidentiality and integrity of information transmitted through the app.

Technical Details of CVE-2017-5905

The technical aspects of the CVE-2017-5905 vulnerability are as follows:

Vulnerability Description

The Dollar Bank Mobile app 2.6.3 for iOS does not verify X.509 certificates from SSL servers, allowing man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.

Affected Systems and Versions

Affected Product: Dollar Bank Mobile app
Affected Version: 2.6.3

Exploitation Mechanism

Attackers can exploit this vulnerability by intercepting communication between the app and servers, presenting a manipulated certificate to deceive the app into disclosing sensitive data.

Mitigation and Prevention

To address CVE-2017-5905 and enhance security measures, consider the following steps:

Immediate Steps to Take

Update the Dollar Bank Mobile app to the latest version that includes a fix for the X.509 certificate verification issue.
Avoid using unsecured networks when accessing sensitive information through the app.

Long-Term Security Practices

Implement end-to-end encryption for data transmitted through the app to prevent interception by unauthorized parties.
Regularly monitor and audit SSL/TLS configurations to ensure secure communication channels.

Patching and Updates

Stay informed about security updates and patches released by the app vendor to address known vulnerabilities and enhance overall security posture.