Arbitrary Code Execution Affecting safer-eval package, versions <1.3.4


Severity

Recommended
0.0
critical
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.13% (49th percentile)

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  • Snyk ID SNYK-JS-SAFEREVAL-173772
  • published 11 Mar 2019
  • disclosed 8 Mar 2019
  • credit Beny Zeltser

How to fix?

Upgrade safer-eval to version 1.3.4 or higher.

Overview

safer-eval is a safer approach for eval in node and browser.

Affected versions of this package are vulnerable to Arbitrary Code Execution. A payload using constructor properties can escape the sandbox and execute arbitrary code.

CVSS Scores

version 3.1
Expand this section

Snyk

Recommended
9.9 critical
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Changed
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
Expand this section

NVD

9.9 critical