CVE-2021-23383: Prototype Pollution
First published: Mon Apr 12 2021(Updated: )
The package handlebars before 4.7.7 are vulnerable to Prototype Pollution when selecting certain compiling options to compile templates coming from an untrusted source.
Credit: report@snyk.io report@snyk.io
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Handlebarsjs Handlebars | <4.7.7 | |
| Netapp E-series Performance Analyzer | ||
| npm/handlebars | <4.7.7 | 4.7.7 |
| redhat/handlebars | <4.7.7 | 4.7.7 |
| <4.7.7 | ||
Remedy
https://github.com/handlebars-lang/handlebars.js/commit/f0589701698268578199be25285b2ebea1c1e427
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2021-23383 https://nvd.nist.gov/vuln/detail/CVE-2021-23383
- https://bugzilla.redhat.com/show_bug.cgi?id=1956688
- https://access.redhat.com/errata/RHSA-2021:4628
- https://access.redhat.com/errata/RHSA-2021:4032
- https://access.redhat.com/errata/RHSA-2021:3016
- https://access.redhat.com/errata/RHSA-2021:2500
- https://access.redhat.com/security/cve/cve-2021-23383
- https://github.com/handlebars-lang/handlebars.js/commit/f0589701698268578199be25285b2ebea1c1e427
- https://security.netapp.com/advisory/ntap-20210618-0007/
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1279031
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1279032
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1279030
- https://snyk.io/vuln/SNYK-JS-HANDLEBARS-1279029
- https://nvd.nist.gov/vuln/detail/CVE-2021-23383
- https://www.npmjs.com/package/handlebars
- https://github.com/advisories/GHSA-765h-qjxv-5f44 (Advisory)
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1956695
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1956696
- https://access.redhat.com/errata/RHSA-2023:1334
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/handlebars-source/CVE-2021-23383.yml
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2021-23383.
What is the severity level of CVE-2021-23383?
The severity level of CVE-2021-23383 is critical.
What is the affected software for CVE-2021-23383?
The affected software for CVE-2021-23383 includes the package handlebars before version 4.7.7 and Handlebarsjs Handlebars up to version 4.7.7.
How can an attacker exploit this vulnerability?
An attacker can exploit this vulnerability by providing untrusted handlebars templates, allowing them to execute arbitrary code in the javascript system.
Are there any available fixes for CVE-2021-23383?
Yes, the fix for CVE-2021-23383 is to upgrade to version 4.7.7 of the handlebars package.
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