CVE-2023-2848 : Security Advisory and Response

This CVE-2023-2848 involves a Cross-Site WebSocket Hijacking vulnerability impacting Movim versions earlier than 0.22. The vulnerability is attributed to a lack of header validation, making it possible for malicious actors to exploit the issue.

Understanding CVE-2023-2848

This section will delve into the specific details of CVE-2023-2848, including its impact and technical aspects.

What is CVE-2023-2848?

CVE-2023-2848 is a security vulnerability found in Movim versions prior to 0.22, allowing attackers to conduct Cross-Site WebSocket Hijacking due to inadequate header validation.

The Impact of CVE-2023-2848

The impact of this vulnerability is significant, with a high base severity score of 8 according to the CVSS v3.1 metrics. It has the potential to compromise the confidentiality and integrity of affected systems without requiring any privileges.

Technical Details of CVE-2023-2848

In this section, we will explore the technical aspects of CVE-2023-2848, including the vulnerability description, affected systems, versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability in Movim versions earlier than 0.22 results from a lack of header validation, enabling attackers to hijack WebSocket connections and potentially launch further attacks.

Affected Systems and Versions

Movim products by Movim are affected, specifically versions prior to 0.22. Users of these versions are vulnerable to exploitation if the necessary precautions are not taken.

Exploitation Mechanism

Attackers can exploit this vulnerability through Cross-Site WebSocket Hijacking, leveraging the lack of proper header validation in Movim versions < 0.22 to manipulate WebSocket connections.

Mitigation and Prevention

To address CVE-2023-2848, proactive security measures and immediate actions need to be taken to mitigate the risks posed by this vulnerability.

Immediate Steps to Take

Users are advised to update Movim to version 0.22 or newer to eliminate the vulnerability. Additionally, monitoring network traffic for any suspicious WebSocket activities can help detect potential exploitation attempts.

Long-Term Security Practices

Implementing proper input validation and security controls within WebSocket communications can enhance the overall security posture of the system and prevent similar vulnerabilities in the future.

Patching and Updates

Regularly applying security patches and updates provided by Movim can help ensure that known vulnerabilities are remediated promptly, reducing the likelihood of successful cyber attacks leveraging CVE-2023-2848.