CVE-2023-22470 : What You Need to Know

This CVE record highlights the vulnerability identified as CVE-2023-22470, which affects Nextcloud Deck, a kanban-style organization tool used for personal planning and project organization within teams integrated with Nextcloud.

Understanding CVE-2023-22470

This section will delve into the specifics of the CVE-2023-22470 vulnerability, its impact, technical details, and steps for mitigation and prevention.

What is CVE-2023-22470?

The CVE-2023-22470 vulnerability pertains to an uncontrolled resource consumption issue within Nextcloud Deck. This vulnerability can potentially lead to a Denial of Service (DoS) scenario when triggered multiple times. The vulnerability is attributed to a database error within the application.

The Impact of CVE-2023-22470

The impact of CVE-2023-22470 is categorized as low severity. However, the potential for a DoS attack can disrupt the availability of Nextcloud Deck, impacting productivity and organizational workflows.

Technical Details of CVE-2023-22470

In this section, we will explore the technical aspects of the CVE-2023-22470 vulnerability, including a vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability in Nextcloud Deck is categorized as an uncontrolled resource consumption flaw, allowing attackers to potentially cause a DoS condition by exploiting a database error.

Affected Systems and Versions

Nextcloud Deck versions prior to 1.6.5, 1.7.3, and 1.8.2 are impacted by this vulnerability. Specifically, versions greater than or equal to 1.6.0 and less than 1.6.5, versions greater than or equal to 1.7.0 and less than 1.7.3, and versions greater than or equal to 1.8.0 and less than 1.8.2 are affected.

Exploitation Mechanism

The exploitation of CVE-2023-22470 involves triggering the database error multiple times, leading to uncontrolled resource consumption and a potential Denial of Service situation within Nextcloud Deck.

Mitigation and Prevention

To address the CVE-2023-22470 vulnerability and enhance the security posture of Nextcloud Deck, it is crucial to implement mitigation measures and establish preventive strategies.

Immediate Steps to Take

Upgrade Nextcloud Server to version 1.6.5, 1.7.3, or 1.8.2 to mitigate the vulnerability.
Monitor system resources and network activity for any suspicious behavior that could indicate an ongoing attack.

Long-Term Security Practices

Regularly update Nextcloud Deck and associated components to patch known vulnerabilities and strengthen overall security.
Conduct security assessments and penetration testing to identify and rectify any potential weaknesses in the system.

Patching and Updates

Stay informed about security advisories from Nextcloud and promptly apply patches and updates to address vulnerabilities and enhance the security of Nextcloud Deck.