CVE-2023-5968: Password hash in response body after username update
First published: Mon Nov 06 2023(Updated: )
Mattermost fails to properly sanitize the user object when updating the username, resulting in the password hash being included in the response body.
Credit: responsibledisclosure@mattermost.com responsibledisclosure@mattermost.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mattermost Mattermost | <=7.8.11 | |
| Mattermost Mattermost | >=8.0.0<=8.0.3 | |
| Mattermost Mattermost | >=8.1.0<=8.1.2 | |
| Mattermost Mattermost | =9.0.0 | |
| go/github.com/mattermost/mattermost/server/v8 | =9.0.0 | 9.0.1 |
| go/github.com/mattermost/mattermost/server/v8 | >=8.1.0<8.1.3 | 8.1.3 |
| go/github.com/mattermost/mattermost/server/v8 | >=8.0.0<8.0.4 | 8.0.4 |
| go/github.com/mattermost/mattermost-server/v6 | <7.8.12 | 7.8.12 |
Remedy
Update Mattermost Server to versions 7.8.12, 8.0.4, 8.1.3, 9.0.1 or higher.
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2023-5968
- https://mattermost.com/security-updates
- https://github.com/mattermost/mattermost/pull/24362
- https://github.com/mattermost/mattermost/pull/24566
- https://github.com/mattermost/mattermost/commit/698f4a97da564e2c1f2bf1fbd01755cefa3b7881
- https://github.com/advisories/GHSA-r67m-mf7v-qp7j (Advisory)
Frequently Asked Questions
What is the severity of CVE-2023-5968?
The severity of CVE-2023-5968 is medium with a score of 4.9.
How does Mattermost fail to sanitize the user object when updating the username in CVE-2023-5968?
Mattermost fails to properly sanitize the user object, resulting in the password hash being included in the response body.
Which versions of Mattermost are affected by CVE-2023-5968?
Mattermost versions 9.0.0, 8.1.0 to 8.1.3, 8.0.0 to 8.0.4, and 7.8.12 are affected by CVE-2023-5968.
How can I fix CVE-2023-5968 in Mattermost?
To fix CVE-2023-5968 in Mattermost, upgrade to version 9.0.1.
Where can I find more information about CVE-2023-5968?
More information about CVE-2023-5968 can be found at the following references: [Mattermost Security Updates](https://mattermost.com/security-updates), [NIST NVD](https://nvd.nist.gov/vuln/detail/CVE-2023-5968), [GitHub Advisory](https://github.com/advisories/GHSA-r67m-mf7v-qp7j).
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