Improper Access Control Affecting pyyaml package, versions [5.1, 5.2)


0.0
critical

Snyk CVSS

    Exploit Maturity Mature
    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High
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RHEL
9.8 critical
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NVD
9.8 critical

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  • Snyk ID SNYK-PYTHON-PYYAML-550022
  • published 19 Feb 2020
  • disclosed 19 Feb 2020
  • credit Manmeet Singh, Ashish Kukreti

How to fix?

Upgrade PyYAML to version 5.2 or higher.

Overview

Affected versions of this package are vulnerable to Improper Access Control. It has insufficient restrictions on the load and load_all functions because of a class deserialization issue, e.g., Popen is a class in the subprocess module.