What is the severity of CVE-2024-39830?

CVE-2024-39830 is classified as a high severity vulnerability due to its potential to allow attackers to exploit timing attacks to retrieve sensitive tokens.

How do I fix CVE-2024-39830?

To fix CVE-2024-39830, upgrade Mattermost to version 9.8.1 or later, or update to versions 9.7.5, 9.6.3, or 9.5.6 or later.

What versions of Mattermost are affected by CVE-2024-39830?

CVE-2024-39830 affects Mattermost versions 9.5.5 and earlier, 9.6.2 and earlier, 9.7.4 and earlier, and 9.8.0 and earlier.

What types of attacks are possible due to CVE-2024-39830?

Due to CVE-2024-39830, attackers can perform timing attacks to extract remote cluster tokens.

Are shared channels in Mattermost vulnerable due to CVE-2024-39830?

Yes, CVE-2024-39830 highlights a vulnerability in Mattermost when shared channels are enabled.

Vulnerability/
CVE-2024-39830

high

8.1

CWE

287 203

3/7/2024

5/7/2024

CVE-2024-39830: Timing attack during remote cluster token comparison when shared channels are enabled

First published: Wed Jul 03 2024(Updated: )

Mattermost versions 9.8.x <= 9.8.0, 9.7.x <= 9.7.4, 9.6.x <= 9.6.2 and 9.5.x <= 9.5.5, when shared channels are enabled, fail to use constant time comparison for remote cluster tokens which allows an attacker to retrieve the remote cluster token via a timing attack during remote cluster token comparison.

Credit: responsibledisclosure@mattermost.com

Affected Software	Affected Version	How to fix
Mattermost	>=9.5.0<9.5.6
Mattermost	>=9.6.0<9.6.3
Mattermost	>=9.7.0<9.7.5
Mattermost	>=9.8.0<9.8.1

Remedy

Update Mattermost to versions 9.9.0, 9.8.1, 9.7.5, 9.6.3, 9.5.6 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-2024-39830?
CVE-2024-39830 is classified as a high severity vulnerability due to its potential to allow attackers to exploit timing attacks to retrieve sensitive tokens.
How do I fix CVE-2024-39830?
To fix CVE-2024-39830, upgrade Mattermost to version 9.8.1 or later, or update to versions 9.7.5, 9.6.3, or 9.5.6 or later.
What versions of Mattermost are affected by CVE-2024-39830?
CVE-2024-39830 affects Mattermost versions 9.5.5 and earlier, 9.6.2 and earlier, 9.7.4 and earlier, and 9.8.0 and earlier.
What types of attacks are possible due to CVE-2024-39830?
Due to CVE-2024-39830, attackers can perform timing attacks to extract remote cluster tokens.
Are shared channels in Mattermost vulnerable due to CVE-2024-39830?
Yes, CVE-2024-39830 highlights a vulnerability in Mattermost when shared channels are enabled.

agent/remedy
agent/title
agent/type
agent/references
agent/first-publish-date
agent/description
agent/author
agent/event
agent/last-modified-date
agent/weakness
agent/severity
agent/softwarecombine
collector/mitre-cve
source/MITRE
agent/source
agent/tags
collector/nvd-api
source/NVD
agent/software-canonical-lookup
agent/software-canonical-lookup-request
vendor/mattermost
canonical/mattermost
version/mattermost/9.5.0
version/mattermost/9.6.0
version/mattermost/9.7.0
version/mattermost/9.8.0

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.