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Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTYyZ3ItNHFwOS1oOThm
Regular Expression Denial of Service in Handlebars
Handlebars before 4.4.5 allows Regular Expression Denial of Service (ReDoS) because of eager matching. The parser may be forced into an endless loop while processing crafted templates. This may allow attackers to exhaust system resources.
Permalink: https://github.com/advisories/GHSA-62gr-4qp9-h98fJSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTYyZ3ItNHFwOS1oOThm
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: about 2 years ago
Updated: 5 months ago
CVSS Score: 7.5
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Identifiers: GHSA-62gr-4qp9-h98f, CVE-2019-20922
References:
- https://nvd.nist.gov/vuln/detail/CVE-2019-20922
- https://github.com/handlebars-lang/handlebars.js/commit/8d5530ee2c3ea9f0aee3fde310b9f36887d00b8b
- https://snyk.io/vuln/SNYK-JS-HANDLEBARS-480388
- https://www.npmjs.com/advisories/1300
- https://www.npmjs.com/package/handlebars
- https://github.com/advisories/GHSA-62gr-4qp9-h98f
Blast Radius: 45.8
Affected Packages
npm:handlebars
Dependent packages: 15,556Dependent repositories: 1,258,975
Downloads: 65,805,502 last month
Affected Version Ranges: >= 4.0.0, < 4.4.5
Fixed in: 4.4.5
All affected versions: 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.0.5, 4.0.6, 4.0.7, 4.0.8, 4.0.9, 4.0.10, 4.0.11, 4.0.12, 4.0.13, 4.0.14, 4.1.0, 4.1.1, 4.1.2, 4.2.0, 4.2.1, 4.2.2, 4.3.0, 4.3.1, 4.3.2, 4.3.3, 4.3.4, 4.3.5, 4.4.0, 4.4.1, 4.4.2, 4.4.3, 4.4.4
All unaffected versions: 1.0.6, 1.0.7, 1.0.8, 1.0.9, 1.0.10, 1.0.11, 1.0.12, 1.1.0, 1.1.1, 1.1.2, 1.2.0, 1.2.1, 1.3.0, 2.0.0, 3.0.0, 3.0.1, 3.0.2, 3.0.3, 3.0.4, 3.0.5, 3.0.6, 3.0.7, 3.0.8, 4.4.5, 4.5.0, 4.5.1, 4.5.2, 4.5.3, 4.6.0, 4.7.0, 4.7.1, 4.7.2, 4.7.3, 4.7.4, 4.7.5, 4.7.6, 4.7.7, 4.7.8