File disclosure in hbs
CVE-2021-32822

4MEDIUM

Key Information:

Vendor

Pillarjs

Status
Hbs
Vendor
CVE Published:
16 August 2021

What is 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.

Affected Version(s)

hbs all

References

https://securitylab.github.com/advisories/GHSL-2021-020-p...
x_refsource_CONFIRM

CVSS V3.1

Score:
4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.