CVE-2019-19919
"Handlebars Prototype Pollution RCE"
Description
Versions of handlebars prior to 4.3.0 are 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.
INFO
Published Date :
Dec. 20, 2019, 11:15 p.m.
Last Modified :
Nov. 21, 2024, 4:35 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2019-19919
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | HIGH | [email protected] | ||||
| CVSS 3.1 | CRITICAL | [email protected] |
Solution
- Apply the security patch referenced in the vendor advisory or upgrade to 5.19.0 or later.
Public PoC/Exploit Available at Github
CVE-2019-19919 has a 2 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2019-19919.
| URL | Resource |
|---|---|
| https://www.npmjs.com/advisories/1164 | Third Party Advisory |
| https://www.tenable.com/security/tns-2021-14 | Patch Third Party Advisory |
| https://www.npmjs.com/advisories/1164 | Third Party Advisory |
| https://www.tenable.com/security/tns-2021-14 | Patch Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-19919 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2019-19919
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
TypeScript HTML CSS
Handlebars Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') Vulnerability
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2019-19919 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-19919 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://www.npmjs.com/advisories/1164 Added Reference https://www.tenable.com/security/tns-2021-14 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Jun. 03, 2022
Action Type Old Value New Value Changed Reference Type https://www.tenable.com/security/tns-2021-14 No Types Assigned https://www.tenable.com/security/tns-2021-14 Patch, Third Party Advisory Removed CWE NIST CWE-74 Added CWE NIST CWE-1321 Added CPE Configuration OR *cpe:2.3:a:tenable:tenable.sc:*:*:*:*:*:*:*:* versions up to (excluding) 5.19.0 -
CVE Modified by [email protected]
Jul. 22, 2021
Action Type Old Value New Value Added Reference https://www.tenable.com/security/tns-2021-14 [No Types Assigned] -
Initial Analysis by [email protected]
Dec. 23, 2019
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://www.npmjs.com/advisories/1164 No Types Assigned https://www.npmjs.com/advisories/1164 Third Party Advisory Added CWE NIST CWE-74 Added CPE Configuration OR *cpe:2.3:a:handlebars.js_project:handlebars.js:1.0.6:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:1.0.7:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:1.0.8:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:1.0.9:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:1.0.10:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:1.0.11:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:1.0.12:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:1.1.0:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:1.1.1:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:1.1.2:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:1.2.0:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:1.2.1:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:1.3.0:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:2.0.0:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:3.0.0:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:3.0.1:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:3.0.2:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:3.0.3:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:3.0.4:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:3.0.5:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:3.0.6:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:3.0.7:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:4.0.0:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:4.0.1:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:4.0.2:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:4.0.3:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:4.0.4:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:4.0.5:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:4.0.6:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:4.0.7:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:4.0.8:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:4.0.9:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:4.0.10:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:4.0.11:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:4.0.12:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:4.0.13:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:4.0.14:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:4.1.0:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:4.1.1:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:4.1.2:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:4.2.0:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:4.2.1:-:*:*:*:node.js:*:* *cpe:2.3:a:handlebars.js_project:handlebars.js:4.2.2:-:*:*:*:node.js:*:*
Vulnerability Scoring Details
Base CVSS Score: 9.8
Base CVSS Score: 7.5
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
24.08 }} 8.47%
score
0.95829
percentile