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Arbitrary Code Injection Affecting @backstage/plugin-scaffolder-backend package, versions <1.15.0

0.0
high

Snyk CVSS

    Attack Complexity High
    Privileges Required High
    Scope Changed
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.18% (56th percentile)
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NVD
9.9 critical

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  • Snyk ID SNYK-JS-BACKSTAGEPLUGINSCAFFOLDERBACKEND-5730767
  • published 22 Jun 2023
  • disclosed 21 Jun 2023
  • credit Unknown
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Introduced: 21 Jun 2023

CVE-2023-35926 Open this link in a new tab
CWE-94 Open this link in a new tab

How to fix?

Upgrade @backstage/plugin-scaffolder-backend to version 1.15.0 or higher.

Overview

@backstage/plugin-scaffolder-backend is a The Backstage backend plugin that helps you create new things

Affected versions of this package are vulnerable to Arbitrary Code Injection due to the usage of insecure sandbox plugin. Exploiting this vulnerability is possible by an attacker with write access to a registered scaffolder template, and it allows manipulation of the template in a way that allows remote code execution.

Note: This was only exploitable in the template YAML definition itself and not by user input data.