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Arbitrary Code Execution Affecting pyyaml package, versions [,4.2b1)

0.0
critical

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 1.44% (87th percentile)
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NVD
9.8 critical
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Red Hat
8.1 high

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  • Snyk ID SNYK-PYTHON-PYYAML-42159
  • published 28 Jun 2018
  • disclosed 26 Aug 2017
  • credit Unknown
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Introduced: 26 Aug 2017

CVE-2017-18342 Open this link in a new tab
CWE-94 Open this link in a new tab

How to fix?

Upgrade PyYAML to version 4.2b1 or higher.

Overview

Affected versions of this package are vulnerable to Arbitrary Code Execution due to using the insecure yaml.load() function.