Remote Code Execution (RCE) Affecting blitz package, versions >=0.1.0 <0.45.3


Severity

Recommended
0.0
critical
0
10

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

Threat Intelligence

EPSS
0.46% (77th percentile)

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  • Snyk IDSNYK-JS-BLITZ-2397273
  • published10 Feb 2022
  • disclosed10 Feb 2022
  • creditpaul-gerste-sonarsource

Introduced: 10 Feb 2022

CVE-2022-23631  (opens in a new tab)
CWE-94  (opens in a new tab)

How to fix?

Upgrade blitz to version 0.45.3 or higher.

Overview

blitz is a Blitz is a Rails-like framework for monolithic, full-stack React apps — built on Next.js

Affected versions of this package are vulnerable to Remote Code Execution (RCE) as it allows to run arbitrary code on any server using superjson input, including a Blitz.js server, without prior authentication or knowledge. Attackers gain full control over the server so they could steal and manipulate data or attack further systems.

CVSS Scores

version 3.1