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
acorn-6.0.4.tgz
ECMAScript parser
Library home page: https://registry.npmjs.org/acorn/-/acorn-6.0.4.tgz
Path to dependency file: videojs-dock/package.json
Path to vulnerable library: videojs-dock/node_modules/es-check/node_modules/acorn/package.json
Dependency Hierarchy: - videojs-generator-verify-1.2.0.tgz (Root Library) - es-check-5.0.0.tgz - :x: **acorn-6.0.4.tgz** (Vulnerable Library)
acorn-5.7.3.tgz
ECMAScript parser
Library home page: https://registry.npmjs.org/acorn/-/acorn-5.7.3.tgz
Path to dependency file: videojs-dock/package.json
Path to vulnerable library: videojs-dock/node_modules/acorn/package.json
Dependency Hierarchy: - videojs-standard-8.0.1.tgz (Root Library) - eslint-5.6.0.tgz - espree-4.0.0.tgz - :x: **acorn-5.7.3.tgz** (Vulnerable Library)
Found in HEAD commit: 94e6200be9ecc48ffad7dd009fa94bbfc47f0391
Found in base branch: main
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
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.Type: Upgrade version
Origin: https://www.npmjs.com/advisories/1488
Release Date: 2020-03-01
Fix Resolution: 7.1.1