CVE-2019-19919: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
(updated )
Versions of handlebars prior to 4.3.0 is vulnerable to Prototype Pollution leading to Remote Code Execution. Templates may alter an Object’s proto and defineGetter properties, which may allow an attacker to execute arbitrary code through crafted payloads.
References
- cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19919
- github.com/Nerian/bootstrap-wysihtml5-rails/blob/master/vendor/assets/javascripts/bootstrap-wysihtml5/handlebars.runtime.min.js
- github.com/Nerian/bootstrap-wysihtml5-rails/tree/master/vendor/assets/javascripts/bootstrap-wysihtml5
- github.com/advisories/GHSA-w457-6q6x-cgp9
- github.com/handlebars-lang/handlebars.js/commit/156061eb7707575293613d7fdf90e2bdaac029ee
- github.com/handlebars-lang/handlebars.js/commit/90ad8d97ad2933852fb83fcc054699dc99e094db
- github.com/rubysec/ruby-advisory-db/blob/master/gems/bootstrap-wysihtml5-rails/CVE-2019-19919.yml
- github.com/wycats/handlebars.js/commit/2078c727c627f25d4a149962f05c1e069beb18bc
- github.com/wycats/handlebars.js/issues/1558
- nvd.nist.gov/vuln/detail/CVE-2019-19919
- www.tenable.com/security/tns-2021-14
Code Behaviors & Features
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