CVE-2023-23948 : Security Advisory and Response

This CVE involves a vulnerability found in the ownCloud Android app that makes it susceptible to SQL Injection attacks.

Understanding CVE-2023-23948

This vulnerability in the ownCloud Android app could potentially lead to information disclosure due to SQL injection issues.

What is CVE-2023-23948?

The ownCloud Android app is used by ownCloud users to access, share, and edit files and folders. In version 2.21.1 of the app, a vulnerability exists in

FileContentProvider.kt

that allows for SQL injection. This vulnerability affects two databases -

filelist

and

owncloud_database

. While the

filelist

database was deprecated in version 3.0, injections affecting the

owncloud_database

remain relevant.

The Impact of CVE-2023-23948

The impact of this vulnerability is considered medium severity with a base score of 6.2. The confidentiality impact is high, while the integrity impact is none. The attack complexity is low, and the attack vector is local.

Technical Details of CVE-2023-23948

This section delves into the specific technical aspects of the vulnerability.

Vulnerability Description

The vulnerability is categorized as CWE-89, which describes the improper neutralization of special elements used in an SQL command, commonly known as SQL Injection.

Affected Systems and Versions

The affected system is the ownCloud Android app with versions up to and including 3.0.

Exploitation Mechanism

The SQL injection vulnerability in the

FileContentProvider.kt

component of the ownCloud Android app allows attackers to execute malicious SQL commands, potentially leading to data manipulation or extraction.

Mitigation and Prevention

It is crucial to take immediate steps to address this vulnerability and prevent potential exploitation.

Immediate Steps to Take

Users of the ownCloud Android app should update to the latest version to mitigate the SQL injection vulnerability. Additionally, users should exercise caution when handling sensitive information within the app.

Long-Term Security Practices

Implementing secure coding practices, conducting regular security audits, and educating developers on best practices for preventing SQL injection vulnerabilities can help fortify the app's security in the long term.

Patching and Updates

Staying vigilant about security updates and promptly applying patches released by ownCloud for the Android app is essential to protect against known vulnerabilities like CVE-2023-23948.