CVE Vulnerability

CVE-2021-32822

The npm hbs package is an Express view engine wrapper for Handlebars. Depending on usage, users of hbs may be vulnerable to a file disclosure vulnerability. There is currently no patch for this vulnerability. hbs mixes pure template data with engine configuration options through the Express render API. By overwriting internal configuration options a file disclosure vulnerability may be triggered in downstream applications. For an example PoC see the referenced GHSL-2021-020.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

5.3 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://securitylab.github.com/advisories/GHSL-2021-020-pillarjs-hbs/ Exploit Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:hbs_project:hbs:-:*:*:*:*:node.js:*:*
Information

Published : 2021-08-16 07:15

Updated : 2022-07-02 06:23

NVD link : CVE-2021-32822

Mitre link : CVE-2021-32822

Products Affected
No products.
CWE
CWE-94