What software versions are affected by CVE-2023-3614?

Mattermost Server versions up to 7.8.7, 7.9.0 to 7.9.5, and 7.10.0 to 7.10.3 are affected by CVE-2023-3614.

What is the severity of CVE-2023-3614?

CVE-2023-3614 has a severity rating of medium, with a severity value of 3.3.

How can an attacker exploit CVE-2023-3614?

An attacker can exploit CVE-2023-3614 by linking to a specially crafted GIF image file, causing the server to consume excessive resources and become unresponsive.

How do I fix CVE-2023-3614?

To fix CVE-2023-3614, users should upgrade their Mattermost Server to a version that is not affected by the vulnerability.

Vulnerability/
CVE-2023-3614

medium

4.3

CWE

400

17/7/2023

21/10/2024

CVE-2023-3614: Denial of Service via specially crafted gif image

Q: What is CVE-2023-3614?

CVE-2023-3614 is a vulnerability in Mattermost that allows an attacker to consume a significant amount of server resources by linking to a specially crafted GIF image file.

First published: Mon Jul 17 2023(Updated: )

Mattermost fails to properly validate a gif image file, allowing an attacker to consume a significant amount of server resources, making the server unresponsive for an extended period of time by linking to specially crafted image file.

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 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-2023-3614?
CVE-2023-3614 is a vulnerability in Mattermost that allows an attacker to consume a significant amount of server resources by linking to a specially crafted GIF image file.
What software versions are affected by CVE-2023-3614?
Mattermost Server versions up to 7.8.7, 7.9.0 to 7.9.5, and 7.10.0 to 7.10.3 are affected by CVE-2023-3614.
What is the severity of CVE-2023-3614?
CVE-2023-3614 has a severity rating of medium, with a severity value of 3.3.
How can an attacker exploit CVE-2023-3614?
An attacker can exploit CVE-2023-3614 by linking to a specially crafted GIF image file, causing the server to consume excessive resources and become unresponsive.
How do I fix CVE-2023-3614?
To fix CVE-2023-3614, users should upgrade their Mattermost Server to a version that is not affected by the vulnerability.

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