CVE-2023-5875 : What You Need to Know

This CVE record was assigned by Mattermost and was published on November 2, 2023. The vulnerability affects Mattermost Desktop versions up to 5.5.0, allowing for media exploitation from a malicious Mattermost server.

Understanding CVE-2023-5875

This vulnerability in Mattermost Desktop poses a risk due to its failure in handling permissions correctly, thereby enabling media exploitation from a remote origin without proper user consent.

What is CVE-2023-5875?

CVE-2023-5875 involves a lack of hardening against media exploitation, specifically failing to handle permissions or prompt the user for consent on sensitive actions, making it vulnerable to exploitation from a malicious Mattermost server.

The Impact of CVE-2023-5875

The impact of this vulnerability is rated as low severity with a CVSS base score of 3.7. Although the confidentiality impact is low with no availability impact, the attack complexity is high, posing a risk to the integrity of affected systems.

Technical Details of CVE-2023-5875

The following technical details are associated with CVE-2023-5875:

Vulnerability Description

Mattermost Desktop fails to correctly handle permissions or prompt the user for consent on certain sensitive actions, leading to potential media exploitation from a malicious Mattermost server.

Affected Systems and Versions

The vulnerability affects Mattermost Desktop versions up to 5.5.0, while version 5.5.1 and higher are unaffected by this issue.

Exploitation Mechanism

The vulnerability can be exploited by leveraging the lack of proper permission handling in Mattermost Desktop, allowing malicious actors to exploit the vulnerability from a remote origin.

Mitigation and Prevention

To address CVE-2023-5875 and prevent exploitation, the following steps should be taken:

Immediate Steps to Take

It is recommended to update Mattermost Desktop to version 5.5.1 or higher to mitigate the vulnerability and protect against potential exploitation.

Long-Term Security Practices

Implementing strong security practices, such as regular software updates, user awareness training, and network segmentation, can help enhance overall security posture and mitigate future vulnerabilities.

Patching and Updates

Regularly check for security updates and patches released by Mattermost to stay protected against known vulnerabilities and ensure the security of Mattermost Desktop instances.