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Improper Following of a Certificate's Chain of Trust Affecting certifi package, versions [2015.04.28,2023.7.22)

0.0
critical

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.06% (24th percentile)
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NVD
9.8 critical
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Red Hat
9.1 critical

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  • Snyk ID SNYK-PYTHON-CERTIFI-5805047
  • published 25 Jul 2023
  • disclosed 25 Jul 2023
  • credit Ben Wilson
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Introduced: 25 Jul 2023

CVE-2023-37920 Open this link in a new tab
CWE-296 Open this link in a new tab

How to fix?

Upgrade certifi to version 2023.7.22 or higher.

Overview

Affected versions of this package are vulnerable to Improper Following of a Certificate's Chain of Trust. E-Tugra's root certificates are being removed pursuant to an investigation prompted by reporting of security issues in their systems. Conclusions of Mozilla's investigation can be found here.

Note:

This issue is not an inherent vulnerability in the package, but a security measure against potential harmful effects of trusting the now-revoked root certificates.