What is the severity of CVE-2023-45847?

CVE-2023-45847 is considered a high-severity vulnerability due to its potential to crash the Playbooks plugin in Mattermost.

How do I fix CVE-2023-45847?

To fix CVE-2023-45847, update Mattermost Server to version 7.8.15 or later, or to a version above 8.1.5, 9.0.3, 9.1.2, or 9.2.1.

Which versions of Mattermost are affected by CVE-2023-45847?

Mattermost Server versions from 7.8.14 up to 9.2.0 are affected by CVE-2023-45847.

Is there a workaround for CVE-2023-45847?

As of now, no specific workaround is available for CVE-2023-45847; upgrading to a patched version is recommended.

Vulnerability/
CVE-2023-45847

high

7.5

CWE

400

12/12/2023

2/12/2024

CVE-2023-45847: Playbook Plugin Crash via Run Checklist

Q: What is the impact of CVE-2023-45847?

The impact of CVE-2023-45847 allows an attacker to send a specially crafted request that can crash the Playbooks plugin.

First published: Tue Dec 12 2023(Updated: )

Mattermost fails to to check the length when setting the title in a run checklist in Playbooks, allowing an attacker to send a specially crafted request and crash the Playbooks plugin

Credit: responsibledisclosure@mattermost.com

Affected Software	Affected Version	How to fix
Mattermost	<=7.8.14
Mattermost	>=8.0.0<=8.1.5
Mattermost	>=9.0.0<=9.0.3
Mattermost	>=9.1.1<=9.1.2
Mattermost	>=9.2.0<=9.2.1

Remedy

Update Mattermost Server to versions 8.1.6, 9.0.4, 9.1.3, 9.2.2 or higher.

Never miss a vulnerability like this again

Reference Links

https://mattermost.com/security-updates

Frequently Asked Questions

What is the severity of CVE-2023-45847?
CVE-2023-45847 is considered a high-severity vulnerability due to its potential to crash the Playbooks plugin in Mattermost.
How do I fix CVE-2023-45847?
To fix CVE-2023-45847, update Mattermost Server to version 7.8.15 or later, or to a version above 8.1.5, 9.0.3, 9.1.2, or 9.2.1.
What is the impact of CVE-2023-45847?
The impact of CVE-2023-45847 allows an attacker to send a specially crafted request that can crash the Playbooks plugin.
Which versions of Mattermost are affected by CVE-2023-45847?
Mattermost Server versions from 7.8.14 up to 9.2.0 are affected by CVE-2023-45847.
Is there a workaround for CVE-2023-45847?
As of now, no specific workaround is available for CVE-2023-45847; upgrading to a patched version is recommended.

agent/type
agent/event
agent/first-publish-date
agent/softwarecombine
collector/mitre-cve
source/MITRE
agent/remedy
agent/author
agent/weakness
agent/last-modified-date
agent/severity
agent/references
agent/title
agent/description
agent/source
agent/tags
collector/nvd-api
agent/software-canonical-lookup-request
vendor/mattermost
canonical/mattermost
version/mattermost/7.8.14
version/mattermost/8.0.0
version/mattermost/8.1.5
version/mattermost/9.0.0
version/mattermost/9.0.3
version/mattermost/9.1.1
version/mattermost/9.1.2
version/mattermost/9.2.0
version/mattermost/9.2.1

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.