CVE-2023-48732: Keywords that trigger mentions are leaked to other users
First published: Tue Jan 02 2024(Updated: )
Mattermost fails to scope the WebSocket response around notified users to a each user separately resulting in the WebSocket broadcasting the information about who was notified about a post to everyone else in the channel.
Credit: responsibledisclosure@mattermost.com responsibledisclosure@mattermost.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| go/github.com/mattermost/mattermost-server/v6 | <=8.1.6 | 8.1.7 |
| go/github.com/mattermost/mattermost/server/v8 | <=8.1.6 | 8.1.7 |
| Mattermost Mattermost Server | <8.1.7 | |
| <8.1.7 |
Remedy
Update Mattermost Server to versions 8.1.7, 9.3.0 or higher.
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Reference Links
- agent/type
- agent/first-publish-date
- agent/references
- agent/author
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- agent/remedy
- agent/severity
- agent/title
- agent/weakness
- agent/softwarecombine
- agent/description
- collector/nvd-cve
- agent/event
- collector/github-advisory-latest
- source/GitHub
- alias/GHSA-q7rx-w656-fwmv
- alias/CVE-2023-48732
- agent/last-modified-date
- agent/tags
- collector/github-advisory
- collector/mitre-cve
- source/MITRE
- vendor/mattermost
- canonical/mattermost mattermost server
- package-manager/go