Command Injection Affecting git-diff-apply package, versions <0.22.2


Severity

Recommended
0.0
high
0
10

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

Threat Intelligence

Exploit Maturity
Proof of concept
EPSS
0.56% (78th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Command Injection vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-JS-GITDIFFAPPLY-540774
  • published6 Jan 2020
  • disclosed6 Jan 2020
  • creditJHU System Security Lab

Introduced: 6 Jan 2020

CVE-2019-10776  (opens in a new tab)
CWE-78  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade git-diff-apply to version 0.22.2 or higher.

Overview

git-diff-apply is a package that can be used to reach an unrelated remote repository to apply a git diff.

Affected versions of this package are vulnerable to Command Injection. In "index.js" file, line 240, the run command executes the git command with an user controlled variable called remoteUrl.

PoC by JHU System Security Lab

var root = require("git-diff-apply");
var attack_code = "&touch Song&";
root({"remoteUrl": "&touch Song&", "startTag": "none"})

References

CVSS Scores

version 3.1