Description
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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Mattermost Mattermost
Default version status: unaffected
10.4.0 to ≤ 10.4.1affected9.11.0 to ≤ 9.11.7affected10.3.0 to ≤ 10.3.2affected10.2.0 to ≤ 10.2.2affected10.5.0unaffected10.4.2unaffected9.11.8unaffected10.3.3unaffected10.2.3unaffected