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MEDIUM4.3

GHSA-455c-vqrf-mghr

Mattermost Server Missing Authorization vulnerability

Quick fix

GHSA-455c-vqrf-mghr — github.com/mattermost/mattermost-server/v6: upgrade to the fixed version with the command below.

go get github.com/mattermost/mattermost-server/v6@v7.10.1

Details

Mattermost Apps Framework fails to verify that a secret provided in the incoming webhook request allowing an attacker to modify the contents of the post sent by the Apps.

Are you affected?

Enter the version of the package you're using.

Affected packages

Go/github.com/mattermost/mattermost-server/v6
Introduced in: 7.10.0Fixed in: 7.10.1
Fixgo get github.com/mattermost/mattermost-server/v6@v7.10.1
Go/github.com/mattermost/mattermost-server/v6
Introduced in: 7.9.0Fixed in: 7.9.4
Fixgo get github.com/mattermost/mattermost-server/v6@v7.9.4
Go/github.com/mattermost/mattermost-server/v6
Introduced in: 6.0.0Fixed in: 7.8.5
Fixgo get github.com/mattermost/mattermost-server/v6@v7.8.5
Go/github.com/mattermost/mattermost-server/v6
Introduced in: 0Fixed in: 6.0.0-20230511130429-1629a6ca7fed
Fixgo get github.com/mattermost/mattermost-server/v6@v6.0.0-20230511130429-1629a6ca7fed

References