CVE-2021-32695 : What You Need to Know
Discover the impact of CVE-2021-32695 on Nextcloud Android app versions prior to 3.16.1. Learn about the vulnerability, affected systems, exploitation, and mitigation steps to secure your data.
Nextcloud Android app versions prior to 3.16.1 are vulnerable to a security flaw where a malicious app on the same device could access shared preferences. This required user interaction and could expose limited private data. Find out more about the impact, technical details, and mitigation strategies below.
Understanding CVE-2021-32695
This section delves into the details of the security vulnerability in Nextcloud Android app versions prior to 3.16.1.
What is CVE-2021-32695?
CVE-2021-32695 describes a vulnerability in the Nextcloud Android app that allowed a malicious app on the same device to access shared preferences containing sensitive data.
The Impact of CVE-2021-32695
The vulnerability could result in a malicious app obtaining access to limited private data such as push tokens and account names stored in the shared preferences of the Nextcloud Android application.
Technical Details of CVE-2021-32695
This section covers specific technical aspects of the CVE-2021-32695 vulnerability.
Vulnerability Description
In versions prior to 3.16.1 of the Nextcloud Android app, a victim had to initiate the sharing flow and choose the malicious app for it to gain access to shared preferences.
Affected Systems and Versions
The issue impacts Nextcloud Android app versions older than 3.16.1.
Exploitation Mechanism
A malicious app could exploit this vulnerability by tricking users into initiating the sharing flow with the app, giving it access to shared preferences.
Mitigation and Prevention
Learn how to protect your systems from CVE-2021-32695 and safeguard sensitive data.
Immediate Steps to Take
Users should update the Nextcloud Android app to version 3.16.1 or newer to mitigate the vulnerability.
Long-Term Security Practices
Encourage users to be cautious when granting permissions to applications and regularly update apps to the latest versions for security improvements.
Patching and Updates
Stay informed about security updates and patches released by Nextcloud to address vulnerabilities like CVE-2021-32695.