GHSA-vgx7-c78r-69w9

Описание

Impact

An authenticated non-admin user with users.view and users.edit, but without users.delete, can directly POST to /users/bulksave and soft-delete another non-admin user. The UI and confirmation route require users.delete, but the destructive sink only authorizes update.

Attacker Model

Authenticated non-admin user with:

The attacker does not have users.delete, admin, or superuser.

Affected Component

• routes/web/users.php

• app/Http/Controllers/Users/BulkUsersController.php

• Endpoint: POST /users/bulksave

Root Cause

The UI only exposes bulk delete to users with delete permission:

The confirmation path also checks delete:

However, the destructive route is registered separately:

and destroy() authorizes only update:

When delete_user=1 is present, the method reaches:

Proof of Concept

1. Create a non-admin attacker account with users.view and users.edit, but not users.delete.

2. Create a harmless non-admin target user.

3. Log in as the attacker and obtain a valid CSRF token.

4. Send:

Observed response:

Patches

Patched in 374f426f0c