{"id":"GHSA-9hj7-v56g-rhf6","summary":"Mattermost fails to properly authentication inviter's permissions to private channel","details":"When processing an email invite to a private channel on a team, Mattermost fails to validate the inviter's permission to that channel, allowing an attacker to invite themselves to a private channel.\n\n[Issue Identifier](https://mattermost.com/security-updates/): MMSA-2023-00137","aliases":["BIT-mattermost-2023-1774","CVE-2023-1774"],"modified":"2023-12-06T01:02:47.844829Z","published":"2023-03-31T12:30:16Z","database_specific":{"nvd_published_at":"2023-03-31T12:15:00Z","cwe_ids":["CWE-862"],"severity":"MODERATE","github_reviewed":true,"github_reviewed_at":"2023-04-07T21:24:51Z"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-1774"},{"type":"WEB","url":"https://mattermost.com/security-updates"},{"type":"PACKAGE","url":"github.com/mattermost/mattermost-server"}],"affected":[{"package":{"name":"github.com/mattermost/mattermost-server","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost-server"},"ranges":[{"type":"SEMVER","events":[{"introduced":"3.3.0"},{"fixed":"7.1.6"}]}],"database_specific":{"last_known_affected_version_range":"\u003c= 4.10.10","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/03/GHSA-9hj7-v56g-rhf6/GHSA-9hj7-v56g-rhf6.json"}},{"package":{"name":"github.com/mattermost/mattermost-server","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost-server"},"ranges":[{"type":"SEMVER","events":[{"introduced":"7.7.0"},{"fixed":"7.7.2"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/03/GHSA-9hj7-v56g-rhf6/GHSA-9hj7-v56g-rhf6.json","last_known_affected_version_range":"\u003c= 7.7.1"}},{"package":{"name":"github.com/mattermost/mattermost-server","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost-server"},"ranges":[{"type":"SEMVER","events":[{"introduced":"7.1.0"},{"fixed":"7.1.6"}]}],"database_specific":{"last_known_affected_version_range":"\u003c= 7.1.5","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/03/GHSA-9hj7-v56g-rhf6/GHSA-9hj7-v56g-rhf6.json"}},{"package":{"name":"github.com/mattermost/mattermost-server/v5","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost-server/v5"},"ranges":[{"type":"SEMVER","events":[{"introduced":"5.0.0"},{"fixed":"7.1.6"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/03/GHSA-9hj7-v56g-rhf6/GHSA-9hj7-v56g-rhf6.json","last_known_affected_version_range":"\u003c= 5.39.3"}},{"package":{"name":"github.com/mattermost/mattermost-server/v6","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost-server/v6"},"ranges":[{"type":"SEMVER","events":[{"introduced":"6.0.0"},{"fixed":"7.1.6"}]}],"database_specific":{"last_known_affected_version_range":"\u003c= 6.7.2","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/03/GHSA-9hj7-v56g-rhf6/GHSA-9hj7-v56g-rhf6.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N"}]}