MEDIUM4.3

GHSA-p5pr-vm3j-jxxf

Mattermost Exposure of Sensitive Information to an Unauthorized Actor vulnerability

Quick fix

GHSA-p5pr-vm3j-jxxf — github.com/mattermost/mattermost/server/v8: upgrade to the fixed version with the command below.

go get github.com/mattermost/mattermost/server/v8@v8.1.4

Details

Mattermost fails to properly validate the "Show Full Name" option in a few endpoints in Mattermost Boards, allowing a member to get the full name of another user even if the Show Full Name option was disabled.

Are you affected?

Enter the version of the package you're using.

Affected packages

Go/github.com/mattermost/mattermost/server/v8

Introduced in: 0Fixed in: 8.1.4

Fixgo get github.com/mattermost/mattermost/server/v8@v8.1.4

Go/github.com/mattermost/mattermost-server/v6

Introduced in: 0Fixed in: 7.8.13

Fixgo get github.com/mattermost/mattermost-server/v6@v7.8.13

References

https://nvd.nist.gov/vuln/detail/CVE-2023-45223[ADVISORY]
https://github.com/mattermost/mattermost[PACKAGE]
https://mattermost.com/security-updates[WEB]