CVE-2024-36492: Mattermost failed to disallow the modification of local users when syncing users in shared channels

August 1, 2024 (updated November 18, 2024)

Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5, 9.8.x <= 9.8.1 fail to disallow the modification of local users when syncing users in shared channels. which allows a malicious remote to overwrite an existing local user.

References

github.com/advisories/GHSA-56mc-f9w7-2wxq
github.com/mattermost/mattermost
mattermost.com/security-updates
nvd.nist.gov/vuln/detail/CVE-2024-36492
pkg.go.dev/vuln/GO-2024-3025

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