CWE
284
Advisory Published
Advisory Published
Updated

CVE-2024-41162: Malicious remote can make an arbitrary local channel read-only

First published: Thu Aug 01 2024(Updated: )

Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5 and 9.8.x <= 9.8.1 fail to disallow the modification of local channels by a remote, when shared channels are enabled, which allows a malicious remote to make an arbitrary local channel read-only.

Credit: responsibledisclosure@mattermost.com responsibledisclosure@mattermost.com

Affected SoftwareAffected VersionHow to fix
go/github.com/mattermost/mattermost/server/v8=9.9.0
9.9.1
go/github.com/mattermost/mattermost/server/v8>=9.8.0<9.8.2
9.8.2
go/github.com/mattermost/mattermost/server/v8>=9.7.0<9.7.6
9.7.6
go/github.com/mattermost/mattermost/server/v8>=9.5.0<9.5.7
9.5.7
Mattermost Mattermost Server>=9.5.0<9.5.7
Mattermost Mattermost Server>=9.7.0<9.7.6
Mattermost Mattermost Server>=9.8.0<9.8.2
Mattermost Mattermost Server=9.9.0

Remedy

Update Mattermost to versions 9.10.0, 9.9.1, 9.5.7, 9.7.6, 9.8.2 or higher.

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