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-2023-3590 – Deleted attachments in Boards remain accessible
https://notcve.org/view.php?id=CVE-2023-3590
Mattermost fails to delete card attachments in Boards, allowing an attacker to access deleted attachments. • https://mattermost.com/security-updates • CWE-863: Incorrect Authorization •
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 •