CVE-2019-15611 Explained : Impact and Mitigation

The iOS App 2.23.0 of Nextcloud exhibits a breach of Secure Design Principles, leading to the unauthorized disclosure of login credentials and tokens to other Nextcloud services.

Understanding CVE-2019-15611

The vulnerability involves a violation of Secure Design Principles in the iOS App 2.23.0, causing the leakage of sensitive information.

What is CVE-2019-15611?

The iOS App 2.23.0 of Nextcloud is affected by a security flaw that allows the disclosure of login credentials and tokens to unauthorized parties during specific actions.

The Impact of CVE-2019-15611

The vulnerability can result in the exposure of sensitive user data, compromising the security and privacy of Nextcloud users.

Technical Details of CVE-2019-15611

The following technical details outline the specifics of the CVE-2019-15611 vulnerability.

Vulnerability Description

The iOS App 2.23.0 of Nextcloud suffers from a breach of Secure Design Principles, leading to the unauthorized disclosure of login credentials and tokens.

Affected Systems and Versions

Product: Nextcloud iOS
Version: 2.23.0

Exploitation Mechanism

The vulnerability occurs when performing actions such as searching for federated users or registering for push notifications.

Mitigation and Prevention

To address CVE-2019-15611, users and organizations can take the following steps:

Immediate Steps to Take

Update the Nextcloud iOS app to a patched version.
Avoid performing sensitive actions on unsecured networks.
Monitor accounts for any suspicious activity.

Long-Term Security Practices

Implement strong password policies.
Regularly review and update security configurations.
Educate users on safe browsing habits and security best practices.

Patching and Updates

Ensure that all software and applications are regularly updated to the latest versions to mitigate known vulnerabilities.