CVE-2019-19919 – handlebars

Package

Manager: npm
Name: handlebars
Vulnerable Version: >=4.0.0 <4.3.0 || >=0 <3.0.8

Severity

Level: Critical

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

EPSS: 0.24085 pctl0.95838

Details

Prototype Pollution in handlebars 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.

Metadata

Created: 2019-12-26T17:58:13Z
Modified: 2022-06-06T17:16:15Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2019/12/GHSA-w457-6q6x-cgp9/GHSA-w457-6q6x-cgp9.json
CWE IDs: ["CWE-1321", "CWE-74"]
Alternative ID: GHSA-w457-6q6x-cgp9
Finding: F390
Auto approve: 1