CVE-2019-20920

Handlebars before 3.0.8 and 4.x before 4.5.3 is vulnerable to Arbitrary Code Execution. The lookup helper fails to properly validate templates, allowing attackers to submit templates that execute arbitrary JavaScript. This can be used to run arbitrary code on a server processing Handlebars templates or in a victim's browser (effectively serving as XSS).

CVSS v3 8.1 HIGH
CVSS v2.0 6.8 MEDIUM

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.2 / Impact : 5.3

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact LOW

Availability Impact LOW

Scope CHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://snyk.io/vuln/SNYK-JS-HANDLEBARS-534478	Third Party Advisory
https://www.npmjs.com/advisories/1316	Exploit Third Party Advisory
https://www.npmjs.com/advisories/1324	Third Party Advisory
https://snyk.io/vuln/SNYK-JS-HANDLEBARS-534478	Third Party Advisory
https://www.npmjs.com/advisories/1316	Exploit Third Party Advisory
https://www.npmjs.com/advisories/1324	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:handlebarsjs:handlebars::::::node.js::*
	cpe:2.3:a:handlebarsjs:handlebars::::::node.js::*

History

21 Nov 2024, 04:39

Type	Values Removed	Values Added
References	~~() https://snyk.io/vuln/SNYK-JS-HANDLEBARS-534478 - Third Party Advisory~~	() https://snyk.io/vuln/SNYK-JS-HANDLEBARS-534478 - Third Party Advisory
References	~~() https://www.npmjs.com/advisories/1316 - Exploit, Third Party Advisory~~	() https://www.npmjs.com/advisories/1316 - Exploit, Third Party Advisory
References	~~() https://www.npmjs.com/advisories/1324 - Third Party Advisory~~	() https://www.npmjs.com/advisories/1324 - Third Party Advisory

Information

Published : 2020-09-30 18:15

Updated : 2024-11-21 04:39

NVD link : CVE-2019-20920

Mitre link : CVE-2019-20920

CVE.ORG link : CVE-2019-20920

JSON object : View

Products Affected

handlebarsjs

handlebars

CWE

CWE-94

Improper Control of Generation of Code ('Code Injection')

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