What is the vulnerability ID of this Mattermost vulnerability?

The vulnerability ID of this Mattermost vulnerability is CVE-2023-3593.

What is the severity of CVE-2023-3593?

The severity of CVE-2023-3593 is medium with a CVSS score of 6.5.

How does Mattermost fail to properly validate markdown?

Mattermost fails to properly validate markdown, which allows an attacker to crash the server through a specially crafted markdown input.

Which versions of Mattermost Server are affected by CVE-2023-3593?

Mattermost Server versions 7.8.0 through 7.8.7, 7.9.0 through 7.9.5, and 7.10.0 through 7.10.3 are affected by CVE-2023-3593.

How can I fix CVE-2023-3593 in Mattermost Server?

To fix CVE-2023-3593 in Mattermost Server, it is recommended to update to a version beyond the affected range (7.8.7 to 7.8.0, 7.9.5 to 7.9.0, and 7.10.3 to 7.10.0) and apply any available security updates.

Vulnerability/
CVE-2023-3593

medium

6.5

CWE

400

17/7/2023

2/8/2024

CVE-2023-3593: Server crash via a specially crafted markdown input

First published: Mon Jul 17 2023(Updated: )

Mattermost fails to properly validate markdown, allowing an attacker to crash the server via a specially crafted markdown input.

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

Affected Software	Affected Version	How to fix
Mattermost Mattermost Server	>=7.8.0<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 the vulnerability ID of this Mattermost vulnerability?
The vulnerability ID of this Mattermost vulnerability is CVE-2023-3593.
What is the severity of CVE-2023-3593?
The severity of CVE-2023-3593 is medium with a CVSS score of 6.5.
How does Mattermost fail to properly validate markdown?
Mattermost fails to properly validate markdown, which allows an attacker to crash the server through a specially crafted markdown input.
Which versions of Mattermost Server are affected by CVE-2023-3593?
Mattermost Server versions 7.8.0 through 7.8.7, 7.9.0 through 7.9.5, and 7.10.0 through 7.10.3 are affected by CVE-2023-3593.
How can I fix CVE-2023-3593 in Mattermost Server?
To fix CVE-2023-3593 in Mattermost Server, it is recommended to update to a version beyond the affected range (7.8.7 to 7.8.0, 7.9.5 to 7.9.0, and 7.10.3 to 7.10.0) and apply any available security updates.

collector/nvd-latest
collector/nvd-index
agent/author
agent/type
agent/softwarecombine
collector/nvd-api
agent/software-canonical-lookup-request
agent/references
agent/weakness
agent/description
collector/mitre-cve
source/MITRE
agent/severity
agent/remedy
agent/title
agent/last-modified-date
agent/first-publish-date
agent/event
agent/tags
vendor/mattermost
canonical/mattermost mattermost server
version/mattermost mattermost server/7.8.0
version/mattermost mattermost server/7.9.0
version/mattermost mattermost server/7.10.0

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