CVE-2019-5455 : What You Need to Know
Learn about CVE-2019-5455, a vulnerability in Nextcloud Android app version 3.6.0 allowing bypass of lock protection. Find out how to mitigate and prevent unauthorized access.
The Nextcloud Android app version 3.6.0 has a vulnerability allowing bypass of lock protection when creating multiple accounts and aborting the process.
Understanding CVE-2019-5455
This CVE involves an authentication bypass vulnerability in the Nextcloud Android app version 3.6.0.
What is CVE-2019-5455?
The vulnerability in the Nextcloud Android app version 3.6.0 enables the bypassing of lock protection by creating multiple accounts and then aborting the process.
The Impact of CVE-2019-5455
The vulnerability allows unauthorized access to the Nextcloud Android app, potentially compromising user data and privacy.
Technical Details of CVE-2019-5455
This section provides technical insights into the CVE.
Vulnerability Description
The issue involves an authentication bypass using an alternate path or channel (CWE-288) in the Nextcloud Android app version 3.6.0.
Affected Systems and Versions
- Product: com.nextcloud.client
- Vendor: Nextcloud
- Affected Version: 3.6.1
Exploitation Mechanism
The vulnerability can be exploited by creating multiple accounts and then aborting the process to bypass lock protection.
Mitigation and Prevention
Protecting systems from CVE-2019-5455 is crucial for maintaining security.
Immediate Steps to Take
- Update the Nextcloud Android app to a secure version that addresses the vulnerability.
- Avoid creating multiple accounts on vulnerable versions of the app.
Long-Term Security Practices
- Regularly update all software and applications to the latest secure versions.
- Educate users on safe practices to prevent unauthorized access.
Patching and Updates
- Apply patches provided by Nextcloud promptly to fix the vulnerability and enhance security.