Description
Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 10.10.x <= 10.10.0, 10.9.x <= 10.9.3 fail to sanitize file names which allows users with file upload permission to overwrite file attachment thumbnails via path traversal in file streaming APIs.
Problem types
CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Product status
10.8.0
10.5.0
10.10.0
10.9.0
10.11.0
10.8.4
10.5.9
10.10.1
10.9.4
Credits
daw10
References
mattermost.com/security-updates
