CVE-2019-5454 : Exploit Details and Defense Strategies

In versions of the Nextcloud Android app before 3.0.0, a SQL Injection vulnerability exists that allows attackers to delete a local cache by executing malicious queries, leading users to reconfigure their accounts.

Understanding CVE-2019-5454

This CVE involves a SQL Injection vulnerability in the Nextcloud Android app.

What is CVE-2019-5454?

SQL Injection in the Nextcloud Android app prior to version 3.0.0 enables the destruction of a local cache through harmful queries, necessitating account reconfiguration.

The Impact of CVE-2019-5454

Attackers can delete local caches and disrupt user accounts.

Technical Details of CVE-2019-5454

This section provides technical insights into the vulnerability.

Vulnerability Description

The vulnerability allows attackers to execute SQL Injection attacks, compromising the app's local cache.

Affected Systems and Versions

Product: com.nextcloud.client
Version: 3.0.0

Exploitation Mechanism

Attackers exploit SQL Injection to execute harmful queries, leading to cache deletion and account reconfiguration.

Mitigation and Prevention

Protective measures to address the CVE.

Immediate Steps to Take

Update the Nextcloud Android app to version 3.0.0 or later.
Monitor for any unusual account reconfigurations.

Long-Term Security Practices

Regularly update all software to the latest versions.
Implement secure coding practices to prevent SQL Injection vulnerabilities.

Patching and Updates

Apply patches provided by Nextcloud promptly to address the SQL Injection vulnerability.