What is the vulnerability ID for this issue?

The vulnerability ID for this issue is CVE-2023-45223.

What is the severity level of CVE-2023-45223?

The severity level of CVE-2023-45223 is medium with a score of 4.3.

How does Mattermost Boards disclose users' full names?

Mattermost Boards fails to properly validate the "Show Full Name" option in some endpoints, allowing a member to access the full name of another user even if the option is disabled.

Which versions of Mattermost are affected by CVE-2023-45223?

The vulnerable versions of Mattermost are 7.8.13 and versions earlier than 8.1.4.

How can I fix the CVE-2023-45223 vulnerability?

To fix the vulnerability, update Mattermost to version 7.8.13 or later for the v6 package, and version 8.1.4 or later for the v8 package.

Vulnerability/
CVE-2023-45223

medium

4.3

CWE

200

27/11/2023

1/12/2023

CVE-2023-45223: Users full name disclosure through Mattermost Boards with Show Full Name Option disabled

First published: Mon Nov 27 2023(Updated: )

Mattermost fails to properly validate the "Show Full Name" option in a few endpoints in Mattermost Boards, allowing a member to get the full name of another user even if the Show Full Name option was disabled.

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

Affected Software	Affected Version	How to fix
go/github.com/mattermost/mattermost-server/v6	<7.8.13	7.8.13
go/github.com/mattermost/mattermost/server/v8	<8.1.4	8.1.4
Mattermost Mattermost	<=7.8.12
Mattermost Mattermost	>=8.0.0<=8.1.3

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2023-45223.
What is the severity level of CVE-2023-45223?
The severity level of CVE-2023-45223 is medium with a score of 4.3.
How does Mattermost Boards disclose users' full names?
Mattermost Boards fails to properly validate the "Show Full Name" option in some endpoints, allowing a member to access the full name of another user even if the option is disabled.
Which versions of Mattermost are affected by CVE-2023-45223?
The vulnerable versions of Mattermost are 7.8.13 and versions earlier than 8.1.4.
How can I fix the CVE-2023-45223 vulnerability?
To fix the vulnerability, update Mattermost to version 7.8.13 or later for the v6 package, and version 8.1.4 or later for the v8 package.

collector/mitre-cve
collector/github-advisory-latest
alias/GHSA-p5pr-vm3j-jxxf
alias/CVE-2023-45223
collector/nvd-api
collector/nvd-cve
collector/github-advisory
package-manager/go
vendor/mattermost
canonical/mattermost mattermost
version/mattermost mattermost/7.8.12
version/mattermost mattermost/8.0.0
version/mattermost mattermost/8.1.3

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.