Description
Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17, 10.9.x <= 10.9.2 fails to sanitize path traversal sequences in template file destination paths, which allows a system admin to perform path traversal attacks via malicious path components, potentially enabling malicious file placement outside intended directories.
Problem types
CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Product status
10.8.0
10.5.0
9.11.0
10.9.0
10.10.0
10.8.4
10.5.9
9.11.18
10.9.3
Credits
Dawid Kulikowski (daw10)
References
mattermost.com/security-updates
