pillarjs/hbs · Security
Insertion of Sensitive Information into Externally-Accessible File or Directory and Exposure of Sensitive Information to an Unauthorized Actor in hbs
- GHSA ID
- GHSA-7f5c-rpf4-86p8
- CVE ID
- CVE-2021-32822
- Severity
- medium
- Published
- Updated
- CVSS
- 4 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N
- CVSS v3
- 4 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N
Description
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.
CWEs
- CWE-94 · Improper Control of Generation of Code ('Code Injection')
- CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor
- CWE-538 · Insertion of Sensitive Information into Externally-Accessible File or Directory