CVE-2023-3591 – Lack of previous password reset tokens on new token creation
https://notcve.org/view.php?id=CVE-2023-3591
Mattermost fails to invalidate previously generated password reset tokens when a new reset token was created. • https://mattermost.com/security-updates • CWE-287: Improper Authentication •
CVE-2023-3587 – Inconsistent state in UI after boards permission change by system admin
https://notcve.org/view.php?id=CVE-2023-3587
Mattermost fails to properly show information in the UI, allowing a system admin to modify a board state allowing any user with a valid sharing link to join the board with editor access, without the UI showing the updated permissions. • https://mattermost.com/security-updates • CWE-862: Missing Authorization •
CVE-2023-3586 – Disabling publicly-shared boards does not disable existing publicly available board links
https://notcve.org/view.php?id=CVE-2023-3586
Mattermost fails to disable public Boards after the "Enable Publicly-Shared Boards" configuration option is disabled, resulting in previously-shared public Boards to remain accessible. • https://mattermost.com/security-updates • CWE-863: Incorrect Authorization •
CVE-2023-3585 – channel DoS by sharing a boards link
https://notcve.org/view.php?id=CVE-2023-3585
Mattermost Boards fail to properly validate a board link, allowing an attacker to crash a channel by posting a specially crafted boards link. • https://mattermost.com/security-updates • CWE-400: Uncontrolled Resource Consumption •
CVE-2023-3584 – Member can create team with team override scheme
https://notcve.org/view.php?id=CVE-2023-3584
Mattermost fails to properly check the authorization of POST /api/v4/teams when passing a team override scheme ID in the request, allowing an authenticated attacker with knowledge of a Team Override Scheme ID to create a new team with said team override scheme. • https://mattermost.com/security-updates • CWE-863: Incorrect Authorization •