CVE-2023-5196 – DoS via Channel Notification Properties
https://notcve.org/view.php?id=CVE-2023-5196
Mattermost fails to enforce character limits in all possible notification props allowing an attacker to send a really long value for a notification_prop resulting in the server consuming an abnormal quantity of computing resources and possibly becoming temporarily unavailable for its users. Mattermost no aplica límites de caracteres en todos los posibles accesorios de notificación, lo que permite a un atacante enviar un valor muy largo para un notification_prop, lo que hace que el servidor consuma una cantidad anormal de recursos informáticos y posiblemente deje de estar disponible temporalmente para sus usuarios. • https://mattermost.com/security-updates • CWE-400: Uncontrolled Resource Consumption •
CVE-2023-5159 – A User Manager role with user edit permissions could manage/update bots
https://notcve.org/view.php?id=CVE-2023-5159
Mattermost fails to properly verify the permissions when managing/updating a bot allowing a User Manager role with user edit permissions to manage/update bots. Mattermost no verifica adecuadamente los permisos al administrar/actualizar un bot, permitiendo una función de administrador de usuarios con permisos de edición de usuario para administrar/actualizar bots. • https://mattermost.com/security-updates • CWE-863: Incorrect Authorization •
CVE-2023-4108 – Audit logging fails to sanitize post metadata
https://notcve.org/view.php?id=CVE-2023-4108
Mattermost fails to sanitize post metadata during audit logging resulting in permalinks contents being logged • https://mattermost.com/security-updates • CWE-532: Insertion of Sensitive Information into Log File •
CVE-2023-4107 – Incorrect authorization allows a user manager to update a system admin
https://notcve.org/view.php?id=CVE-2023-4107
Mattermost fails to properly validate the requesting user permissions when updating a system admin, allowing a user manager to update a system admin's details such as email, first name and last name. • https://mattermost.com/security-updates • CWE-863: Incorrect Authorization •
CVE-2023-4106 – A guest user can perform various actions on public playbooks
https://notcve.org/view.php?id=CVE-2023-4106
Mattermost fails to check if the requesting user is a guest before performing different actions to public playbooks, resulting a guest being able to view, join, edit, export and archive public playbooks. • https://mattermost.com/security-updates • CWE-862: Missing Authorization •