CVE-2023-6727: Leak Inaccessible Playbook Information via Channel Action IDOR
First published: Tue Dec 12 2023(Updated: )
Mattermost fails to perform correct authorization checks when creating a playbook action, allowing users without access to the playbook to create playbook actions. If the playbook action created is to post a message in a channel based on specific keywords in a post, some playbook information, like the name, can be leaked.
Credit: responsibledisclosure@mattermost.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mattermost Mattermost Server | <=8.1.5 | |
| Mattermost Mattermost Server | >=9.2.0<=9.2.1 |
Remedy
Update Mattermost Server to versions 8.1.6, 9.2.2 or higher.
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Reference Links
- collector/nvd-api
- agent/type
- agent/event
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- agent/remedy
- agent/severity
- agent/weakness
- agent/title
- agent/references
- agent/author
- agent/tags
- agent/description
- collector/epss-latest
- source/FIRST
- agent/epss
- collector/mitre-cve
- source/MITRE
- vendor/mattermost
- canonical/mattermost mattermost server
- version/mattermost mattermost server/8.1.5
- version/mattermost mattermost server/9.2.0
- version/mattermost mattermost server/9.2.1