CVE-2024-54682

Name of the Vulnerable Software and Affected Versions Mattermost versions 9.5.x through 9.5.12 Mattermost versions 9.11.x through 9.11.4 Mattermost versions 10.0.x through 10.0.2 Mattermost versions 10.1.x through 10.1.2

Description The issue is related to the lack of file size limitation for Slack import file uploads, which allows a user to cause a Denial of Service (DoS) via a zip bomb by importing data in a team they are an administrator of.

Recommendations For Mattermost versions 9.5.x through 9.5.12, update to a version that limits the file size for Slack import file uploads to prevent DoS attacks. For Mattermost versions 9.11.x through 9.11.4, update to a version that limits the file size for Slack import file uploads to prevent DoS attacks. For Mattermost versions 10.0.x through 10.0.2, update to a version that limits the file size for Slack import file uploads to prevent DoS attacks. For Mattermost versions 10.1.x through 10.1.2, update to a version that limits the file size for Slack import file uploads to prevent DoS attacks.