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MEDIUM4.3

GHSA-xvq6-h898-wcj8

Mattermost denial of service vulnerability

Quick fix

GHSA-xvq6-h898-wcj8 — github.com/mattermost/mattermost-server/v6: upgrade to the fixed version with the command below.

go get github.com/mattermost/mattermost-server/v6@v7.8.12

Details

Mattermost fails to properly validate requests to the Calls plugin, allowing an attacker sending a request without a User Agent header to cause a panic and crash the Calls plugin

Are you affected?

Enter the version of the package you're using.

Affected packages

Go/github.com/mattermost/mattermost-server/v6
Introduced in: 0Fixed in: 7.8.12
Fixgo get github.com/mattermost/mattermost-server/v6@v7.8.12
Go/github.com/mattermost/mattermost/server/v8
Introduced in: 8.0.0Fixed in: 8.0.4
Fixgo get github.com/mattermost/mattermost/server/v8@v8.0.4
Go/github.com/mattermost/mattermost/server/v8
Introduced in: 8.1.0Fixed in: 8.1.3
Fixgo get github.com/mattermost/mattermost/server/v8@v8.1.3
Go/github.com/mattermost/mattermost/server/v8
Introduced in: 9.0.0Fixed in: 9.0.1
Fixgo get github.com/mattermost/mattermost/server/v8@v9.0.1

References