{"id":"GHSA-jq3g-xqpx-37x3","summary":"Mattermost failed to properly validate synced reactions","details":"Mattermost versions 9.9.x \u003c= 9.9.0, 9.5.x \u003c= 9.5.6 fail to properly validate synced reactions, when shared channels are enabled, which allows a malicious remote to create arbitrary reactions on arbitrary posts","aliases":["CVE-2024-29977","GO-2024-3030"],"modified":"2024-11-18T16:26:57Z","published":"2024-08-01T15:32:21Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2024-08-02T13:30:23Z","nvd_published_at":"2024-08-01T15:15:11Z","cwe_ids":["CWE-284"],"severity":"MODERATE"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-29977"},{"type":"PACKAGE","url":"https://github.com/mattermost/mattermost"},{"type":"WEB","url":"https://mattermost.com/security-updates"},{"type":"WEB","url":"https://pkg.go.dev/vuln/GO-2024-3030"}],"affected":[{"package":{"name":"github.com/mattermost/mattermost/server/v8","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost/server/v8"},"ranges":[{"type":"SEMVER","events":[{"introduced":"9.5.0"},{"fixed":"9.5.7"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/08/GHSA-jq3g-xqpx-37x3/GHSA-jq3g-xqpx-37x3.json"}},{"package":{"name":"github.com/mattermost/mattermost/server/v8","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost/server/v8"},"ranges":[{"type":"SEMVER","events":[{"introduced":"9.9.0"},{"fixed":"9.9.1"}]}],"versions":["9.9.0"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/08/GHSA-jq3g-xqpx-37x3/GHSA-jq3g-xqpx-37x3.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N"}]}