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[Security] Bump lodash from 4.17.20 to 4.17.21

Dependabot requested to merge dependabot-npm_and_yarn-lodash-4.17.21 into master

Bumps lodash from 4.17.20 to 4.17.21. This update includes security fixes.

Vulnerabilities fixed

Command Injection in lodash lodash versions prior to 4.17.21 are vulnerable to Command Injection via the template function.

Patched versions: 4.17.21 Affected versions: < 4.17.21

Regular Expression Denial of Service (ReDoS) in lodash All versions of package lodash prior to 4.17.21 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)

Patched versions: 4.17.21 Affected versions: < 4.17.21

Commits
  • f299b52 Bump to v4.17.21
  • c4847eb Improve performance of toNumber, trim and trimEnd on large input strings
  • 3469357 Prevent command injection through _.template's variable option
  • See full diff in compare view

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