wycats/handlebars.js · Security
Prototype Pollution in handlebars
- GHSA ID
- GHSA-w457-6q6x-cgp9
- CVE ID
- CVE-2019-19919
- Severity
- critical
- Published
- Updated
- CVSS
- 9.8 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS v3
- 9.8 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
Versions of handlebars prior to 3.0.8 or 4.3.0 are vulnerable to Prototype Pollution leading to Remote Code Execution. Templates may alter an Objects' __proto__ and __defineGetter__ properties, which may allow an attacker to execute arbitrary code through crafted payloads.
Recommendation
Upgrade to version 3.0.8, 4.3.0 or later.
CWEs
- CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
- CWE-1321 · Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
References
- https://nvd.nist.gov/vuln/detail/CVE-2019-19919 ↗
- https://github.com/wycats/handlebars.js/issues/1558 ↗
- https://github.com/wycats/handlebars.js/commit/2078c727c627f25d4a149962f05c1e069beb18bc ↗
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19919 ↗
- https://www.tenable.com/security/tns-2021-14 ↗
- https://github.com/handlebars-lang/handlebars.js/commit/156061eb7707575293613d7fdf90e2bdaac029ee ↗
- https://github.com/handlebars-lang/handlebars.js/commit/90ad8d97ad2933852fb83fcc054699dc99e094db ↗
- https://github.com/Nerian/bootstrap-wysihtml5-rails/blob/master/vendor/assets/javascripts/bootstrap-wysihtml5/handlebars.runtime.min.js ↗
- https://github.com/Nerian/bootstrap-wysihtml5-rails/tree/master/vendor/assets/javascripts/bootstrap-wysihtml5 ↗
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/bootstrap-wysihtml5-rails/CVE-2019-19919.yml ↗
- https://github.com/advisories/GHSA-w457-6q6x-cgp9 ↗