GitHub Advisoryadvisory · Go

GHSA-85jj-c9jr-9jhx Mattermost Improper Access Control vulnerability

MEDIUM Published 2023-11-27 Modified 2023-11-28 Official page ↗
Aliases
CVE-2023-6202
Ecosystem
Go
Packages
github.com/mattermost/mattermost/server/v8, github.com/mattermost/mattermost-server/v6
Severity
Moderate
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weaknesses
CWE-284
Reviewed
2023-11-28

Affected packages

• Go github.com/mattermost/mattermost/server/v8: >= 9.1.0, < 9.1.1 → fixed in 9.1.1 • Go github.com/mattermost/mattermost/server/v8: >= 9.0.0, < 9.0.2 → fixed in 9.0.2 • Go github.com/mattermost/mattermost/server/v8: < 8.1.4 → fixed in 8.1.4 • Go github.com/mattermost/mattermost-server/v6: < 7.8.13 → fixed in 7.8.13

Description

Mattermost fails to perform proper authorization in the `/plugins/focalboard/api/v2/users` endpoint allowing an attacker who is a guest user and knows the ID of another user to get their information (e.g. name, surname, nickname) via Mattermost Boards.

Related

Alias · CVE (1)

  • CVE-2023-6202 Mattermost fails to perform proper authorization in the /plugins/focalboard/api/v2/users endpoint allowing an attacker who is a guest user… vulnerability

Weakness · CWE (1)

  • CWE-284 Improper Access Control weakness

References