Code Injection Affecting lodash package, versions <4.17.21


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    Exploit Maturity
    Proof of concept
    EPSS
    0.86% (83rd percentile)

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  • Snyk ID SNYK-JS-LODASH-1040724
  • published 15 Feb 2021
  • disclosed 17 Nov 2020
  • credit Marc Hassan

How to fix?

Upgrade lodash to version 4.17.21 or higher.

Overview

lodash is a modern JavaScript utility library delivering modularity, performance, & extras.

Affected versions of this package are vulnerable to Code Injection via template.

PoC

var _ = require('lodash');

_.template('', { variable: '){console.log(process.env)}; with(obj' })()

CVSS Scores

version 3.1
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Snyk

Recommended
7.2 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    High
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
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NVD

7.2 high
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Red Hat

7.2 high