GHSA-PM9P-9926-W68M

Vulnerability from github – Published: 2017-12-28 22:52 – Updated: 2021-09-16 18:15
VLAI?
Summary
Denial of Service in ecstatic
Details

ecstatic, a simple static file server middleware, is vulnerable to denial of service. If a payload with a large number of null bytes (%00) is provided by an attacker it can crash ecstatic by running it out of memory.

Results from the original advisory

A payload of 22kB caused a lag of 1 second,
A payload of 35kB caused a lag of 3 seconds,
A payload of 86kB caused the server to crash

Recommendation

Update to version 2.0.0 or later.

Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Show details on source website
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{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "ecstatic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.0.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2016-10703"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-400"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2020-06-16T21:49:34Z",
    "nvd_published_at": "2017-12-14T19:29:00Z",
    "severity": "HIGH"
  },
  "details": "`ecstatic`, a simple static file server middleware, is vulnerable to denial of service. If a payload with a large number of null bytes (`%00`) is provided by an attacker it can crash ecstatic by running it out of memory.\n\n\n[Results from the original advisory](https://www.checkmarx.com/advisories/denial-of-service-dos-vulnerability-in-ecstatic-npm-package/)\n\n```\nA payload of 22kB caused a lag of 1 second,\nA payload of 35kB caused a lag of 3 seconds,\nA payload of 86kB caused the server to crash\n```\n\n\n## Recommendation\n\nUpdate to version 2.0.0 or later.",
  "id": "GHSA-pm9p-9926-w68m",
  "modified": "2021-09-16T18:15:09Z",
  "published": "2017-12-28T22:52:47Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-10703"
    },
    {
      "type": "WEB",
      "url": "https://github.com/jfhbrook/node-ecstatic/commit/71ce93988ead4b561a8592168c72143907189f01"
    },
    {
      "type": "WEB",
      "url": "https://github.com/jfhbrook/node-ecstatic/commit/71ce93988ead4b561a8592168c72143907189f01#diff-b2b5a88fb51675f1aa1065c093dce1ee"
    },
    {
      "type": "WEB",
      "url": "https://advisory.checkmarx.net/advisory/CX-2016-4450"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-pm9p-9926-w68m"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/jfhbrook/node-ecstatic"
    },
    {
      "type": "WEB",
      "url": "https://www.checkmarx.com/advisories/denial-of-service-dos-vulnerability-in-ecstatic-npm-package"
    },
    {
      "type": "WEB",
      "url": "https://www.npmjs.com/advisories/553"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Denial of Service in ecstatic"
}


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