Arbitrary file read via block duplication in Mattermost Boards
Mattermost versions 10.4.x <= 10.4.1, 9.11.x <= 9.11.7, 10.3.x <= 10.3.2, 10.2.x <= 10.2.2 fail to properly validate input when patching and duplicating a board, which allows a user to read any arbitrary file on the system via duplicating a specially crafted block in Boards.
Problem Types
| Type | CWE ID | Description |
|---|
| CWE | CWE-22 | CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') |
Type: CWE
Description: CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Metrics
| Version | Base score | Base severity | Vector |
|---|
| 3.1 | 9.9 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
Version: 3.1
Base score: 9.9
Base severity: CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H