{"id":"GHSA-4x6v-rwh4-55jw","summary":"Pomelo allows external control of critical state data","details":"Pomelo v2.2.5 allows external control of critical state data. A malicious user input can corrupt arbitrary methods and attributes in `template/game-server/app/servers/connector/handler/entryHandler.js` because certain internal attributes can be overwritten via a conflicting name. Hence, a malicious attacker can manipulate internal attributes by adding additional attributes to user input.","aliases":["CVE-2019-18954"],"modified":"2023-11-08T04:01:26.949414Z","published":"2019-12-02T18:16:34Z","database_specific":{"nvd_published_at":null,"cwe_ids":["CWE-668"],"severity":"MODERATE","github_reviewed":true,"github_reviewed_at":"2019-12-02T01:20:21Z"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2019-18954"},{"type":"WEB","url":"https://github.com/NetEase/pomelo/issues/1149"},{"type":"WEB","url":"https://github.com/cl0udz/vulnerabilities/tree/master/pomelo-critical-state-manipulation"}],"affected":[{"package":{"name":"pomelo","ecosystem":"npm","purl":"pkg:npm/pomelo"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.2.7"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2019/12/GHSA-4x6v-rwh4-55jw/GHSA-4x6v-rwh4-55jw.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"}]}