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Mattermost viewing archived public channels permissions vulnerability

Moderate severity GitHub Reviewed Published Jan 2, 2024 to the GitHub Advisory Database • Updated Jan 3, 2024

Package

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

Affected versions

<= 7.8.9

Patched versions

7.8.10
gomod github.com/mattermost/mattermost/server/v8 (Go)
<= 8.1.0
8.1.1

Description

Mattermost fails to properly verify the permissions needed for viewing archived public channels,  allowing a member of one team to get details about the archived public channels of another team via the GET /api/v4/teams//channels/deleted endpoint.

References

Published by the National Vulnerability Database Jan 2, 2024
Published to the GitHub Advisory Database Jan 2, 2024
Reviewed Jan 3, 2024
Last updated Jan 3, 2024

Severity

Moderate
4.3
/ 10

CVSS base metrics

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

Weaknesses

CVE ID

CVE-2023-47858

GHSA ID

GHSA-w88v-pjr8-cmv2

Source code

Checking history
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