What is CVE-2023-3585?

CVE-2023-3585 is a vulnerability in Mattermost Boards that allows an attacker to crash a channel by posting a specially crafted boards link.

How does CVE-2023-3585 impact Mattermost?

CVE-2023-3585 impacts Mattermost by allowing an attacker to crash a channel by posting a specially crafted boards link.

What is the severity of CVE-2023-3585?

CVE-2023-3585 has a severity rating of 4.3, which is considered medium.

How do I fix CVE-2023-3585?

To fix CVE-2023-3585, make sure to update your Mattermost Server to a version that includes the necessary security patches.

Where can I find more information about CVE-2023-3585?

You can find more information about CVE-2023-3585 and the necessary security updates on the Mattermost website.

Vulnerability/
CVE-2023-3585

medium

4.3

CWE

400

17/7/2023

21/10/2024

CVE-2023-3585: channel DoS by sharing a boards link

First published: Mon Jul 17 2023(Updated: )

Mattermost Boards fail to properly validate a board link, allowing an attacker to crash a channel by posting a specially crafted boards link.

Credit: responsibledisclosure@mattermost.com responsibledisclosure@mattermost.com

Affected Software	Affected Version	How to fix
Mattermost Mattermost Server	<7.8.7
Mattermost Mattermost Server	>=7.9.0<7.9.5
Mattermost Mattermost Server	>=7.10.0<7.10.3

Remedy

Update Mattermost Server to versions v7.8.7, v7.9.5, v7.10.3 or higher.

Never miss a vulnerability like this again

Reference Links

https://mattermost.com/security-updates

Frequently Asked Questions

What is CVE-2023-3585?
CVE-2023-3585 is a vulnerability in Mattermost Boards that allows an attacker to crash a channel by posting a specially crafted boards link.
How does CVE-2023-3585 impact Mattermost?
CVE-2023-3585 impacts Mattermost by allowing an attacker to crash a channel by posting a specially crafted boards link.
What is the severity of CVE-2023-3585?
CVE-2023-3585 has a severity rating of 4.3, which is considered medium.
How do I fix CVE-2023-3585?
To fix CVE-2023-3585, make sure to update your Mattermost Server to a version that includes the necessary security patches.
Where can I find more information about CVE-2023-3585?
You can find more information about CVE-2023-3585 and the necessary security updates on the Mattermost website.

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