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Mattermost Exposure of Sensitive Information to an Unauthorized Actor vulnerability

Moderate severity GitHub Reviewed Published Dec 6, 2023 to the GitHub Advisory Database • Updated Dec 8, 2023

Package

gomod github.com/mattermost/mattermost-server/v6 (Go)

Affected versions

< 7.8.14

Patched versions

7.8.14
gomod github.com/mattermost/mattermost/server/v8 (Go)
< 8.1.5
8.1.5

Description

Mattermost is grouping calls in the /metrics endpoint by id and reports that id in the response. Since this id is the channelID, the public /metrics endpoint is revealing channelIDs.

References

Published by the National Vulnerability Database Dec 6, 2023
Published to the GitHub Advisory Database Dec 6, 2023
Reviewed Dec 8, 2023
Last updated Dec 8, 2023

Severity

Moderate
5.3
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weaknesses

CVE ID

CVE-2023-6459

GHSA ID

GHSA-63cv-4pc2-4fcf

Source code

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