CVE-2023-4107: Incorrect authorization allows a user manager to update a system admin
First published: Fri Aug 11 2023(Updated: )
Mattermost fails to properly validate the requesting user permissions when updating a system admin, allowing a user manager to update a system admin's details such as email, first name and last name.
Credit: responsibledisclosure@mattermost.com responsibledisclosure@mattermost.com responsibledisclosure@mattermost.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mattermost Mattermost | >=7.8.0<7.8.8 | |
| Mattermost Mattermost | >=7.9.0<7.9.6 | |
| Mattermost Mattermost | >=7.10.0<7.10.4 | |
| go/github.com/mattermost/mattermost-server/v6 | >=7.10.0<=7.10.3 | 7.10.4 |
| go/github.com/mattermost/mattermost-server/v6 | >=7.9.0<=7.9.5 | 7.9.6 |
| go/github.com/mattermost/mattermost-server/v6 | <=7.8.7 | 7.8.8 |
Remedy
Update Mattermost Server to versions 7.8.8, 7.9.6, 7.10.4 or higher.
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Reference Links
Frequently Asked Questions
What is CVE-2023-4107?
CVE-2023-4107 is a vulnerability that allows a user manager to update a system admin's details in Mattermost without proper validation of user permissions.
How does CVE-2023-4107 affect Mattermost?
CVE-2023-4107 affects Mattermost by allowing a user manager to update a system admin's details without proper validation of user permissions.
What is the severity of CVE-2023-4107?
CVE-2023-4107 has a severity rating of medium with a CVSS score of 6.7.
Which versions of Mattermost are affected by CVE-2023-4107?
Mattermost versions 7.10.0 to 7.10.3, 7.9.0 to 7.9.5, and 7.8.0 to 7.8.7 are affected by CVE-2023-4107.
How can CVE-2023-4107 be fixed?
To fix CVE-2023-4107, it is recommended to update Mattermost to version 7.10.4, 7.9.6, or 7.8.8.
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- alias/CVE-2023-4107
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- vendor/mattermost
- canonical/mattermost mattermost
- version/mattermost mattermost/7.8.0
- version/mattermost mattermost/7.9.0
- version/mattermost mattermost/7.10.0
- package-manager/go