acorn is vulnerable to REGEX DoS. A regex of the form /[x-\ud800]/u causes the parser to enter an infinite loop. attackers may leverage the vulnerability leading to a Denial of Service since the string is not valid UTF16 and it results in it being sanitized before reaching the parser.
WS-2020-0042 - High Severity Vulnerability
Vulnerable Libraries - acorn-5.7.3.tgz, acorn-6.1.1.tgz
acorn-5.7.3.tgz
ECMAScript parser
Library home page: https://registry.npmjs.org/acorn/-/acorn-5.7.3.tgz
Path to dependency file: /outerspace-vue/package.json
Path to vulnerable library: /node_modules/acorn/package.json
Dependency Hierarchy: - cli-plugin-babel-3.7.0.tgz (Root Library) - webpack-4.28.4.tgz - :x: **acorn-5.7.3.tgz** (Vulnerable Library)
acorn-6.1.1.tgz
ECMAScript parser
Library home page: https://registry.npmjs.org/acorn/-/acorn-6.1.1.tgz
Path to dependency file: /outerspace-vue/package.json
Path to vulnerable library: /node_modules/@vue/cli-service/node_modules/acorn/package.json
Dependency Hierarchy: - cli-service-3.7.0.tgz (Root Library) - :x: **acorn-6.1.1.tgz** (Vulnerable Library)
Found in base branch: master
Vulnerability Details
acorn is vulnerable to REGEX DoS. A regex of the form /[x-\ud800]/u causes the parser to enter an infinite loop. attackers may leverage the vulnerability leading to a Denial of Service since the string is not valid UTF16 and it results in it being sanitized before reaching the parser.
Publish Date: 2020-03-01
URL: WS-2020-0042
CVSS 3 Score Details (7.5)
Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: Low - Privileges Required: None - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: None - Integrity Impact: None - Availability Impact: High
For more information on CVSS3 Scores, click here.Suggested Fix
Type: Upgrade version
Origin: https://github.com/advisories/GHSA-6chw-6frg-f759
Release Date: 2020-03-01
Fix Resolution (acorn): 5.7.4
Direct dependency fix Resolution (@vue/cli-plugin-babel): 3.8.0
Fix Resolution (acorn): 5.7.4
Direct dependency fix Resolution (@vue/cli-service): 3.8.0
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