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 board blocks when importing boards which allows an attacker could read any arbitrary file on the system via importing and exporting a specially crafted import archive 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