CVE Vulnerabilities

CVE-2019-19919

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

Published: Dec 20, 2019 | Modified: Nov 21, 2024
CVSS 3.x
9.8
CRITICAL
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
7.5 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
4.2 LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
Ubuntu
MEDIUM

Versions of handlebars prior to 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.

Weakness

The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype.

Affected Software

Name Vendor Start Version End Version
Handlebars.js Handlebars.js_project 1.0.6 (including) 1.0.6 (including)
Handlebars.js Handlebars.js_project 1.0.7 (including) 1.0.7 (including)
Handlebars.js Handlebars.js_project 1.0.8 (including) 1.0.8 (including)
Handlebars.js Handlebars.js_project 1.0.9 (including) 1.0.9 (including)
Handlebars.js Handlebars.js_project 1.0.10 (including) 1.0.10 (including)
Handlebars.js Handlebars.js_project 1.0.11 (including) 1.0.11 (including)
Handlebars.js Handlebars.js_project 1.0.12 (including) 1.0.12 (including)
Handlebars.js Handlebars.js_project 1.1.0 (including) 1.1.0 (including)
Handlebars.js Handlebars.js_project 1.1.1 (including) 1.1.1 (including)
Handlebars.js Handlebars.js_project 1.1.2 (including) 1.1.2 (including)
Handlebars.js Handlebars.js_project 1.2.0 (including) 1.2.0 (including)
Handlebars.js Handlebars.js_project 1.2.1 (including) 1.2.1 (including)
Handlebars.js Handlebars.js_project 1.3.0 (including) 1.3.0 (including)
Handlebars.js Handlebars.js_project 2.0.0 (including) 2.0.0 (including)
Handlebars.js Handlebars.js_project 3.0.0 (including) 3.0.0 (including)
Handlebars.js Handlebars.js_project 3.0.1 (including) 3.0.1 (including)
Handlebars.js Handlebars.js_project 3.0.2 (including) 3.0.2 (including)
Handlebars.js Handlebars.js_project 3.0.3 (including) 3.0.3 (including)
Handlebars.js Handlebars.js_project 3.0.4 (including) 3.0.4 (including)
Handlebars.js Handlebars.js_project 3.0.5 (including) 3.0.5 (including)
Handlebars.js Handlebars.js_project 3.0.6 (including) 3.0.6 (including)
Handlebars.js Handlebars.js_project 3.0.7 (including) 3.0.7 (including)
Handlebars.js Handlebars.js_project 4.0.0 (including) 4.0.0 (including)
Handlebars.js Handlebars.js_project 4.0.1 (including) 4.0.1 (including)
Handlebars.js Handlebars.js_project 4.0.2 (including) 4.0.2 (including)
Handlebars.js Handlebars.js_project 4.0.3 (including) 4.0.3 (including)
Handlebars.js Handlebars.js_project 4.0.4 (including) 4.0.4 (including)
Handlebars.js Handlebars.js_project 4.0.5 (including) 4.0.5 (including)
Handlebars.js Handlebars.js_project 4.0.6 (including) 4.0.6 (including)
Handlebars.js Handlebars.js_project 4.0.7 (including) 4.0.7 (including)
Handlebars.js Handlebars.js_project 4.0.8 (including) 4.0.8 (including)
Handlebars.js Handlebars.js_project 4.0.9 (including) 4.0.9 (including)
Handlebars.js Handlebars.js_project 4.0.10 (including) 4.0.10 (including)
Handlebars.js Handlebars.js_project 4.0.11 (including) 4.0.11 (including)
Handlebars.js Handlebars.js_project 4.0.12 (including) 4.0.12 (including)
Handlebars.js Handlebars.js_project 4.0.13 (including) 4.0.13 (including)
Handlebars.js Handlebars.js_project 4.0.14 (including) 4.0.14 (including)
Handlebars.js Handlebars.js_project 4.1.0 (including) 4.1.0 (including)
Handlebars.js Handlebars.js_project 4.1.1 (including) 4.1.1 (including)
Handlebars.js Handlebars.js_project 4.1.2 (including) 4.1.2 (including)
Handlebars.js Handlebars.js_project 4.2.0 (including) 4.2.0 (including)
Handlebars.js Handlebars.js_project 4.2.1 (including) 4.2.1 (including)
Handlebars.js Handlebars.js_project 4.2.2 (including) 4.2.2 (including)
RHPAM 7.13.1 async RedHat handlebars *
Node-handlebars Ubuntu bionic *
Node-handlebars Ubuntu disco *
Node-handlebars Ubuntu eoan *
Node-handlebars Ubuntu trusty *

Potential Mitigations

References