Arbitrary Code Execution

Affecting pyyaml package, versions [0,]

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Overview

pyyaml is a YAML parser and emitter for Python.

Affected versions of this package are vulnerable to Arbitrary Code Execution. It processes untrusted YAML files through the full_load method or with the FullLoader loader. This is due to an incomplete fix for CVE-2020-1747

Remediation

There is no fixed version for pyyaml.

References

CVSS Score

9.8
high severity
  • Attack Vector
    Network
  • Attack Complexity
    Low
  • Privileges Required
    None
  • User Interaction
    None
  • Scope
    Unchanged
  • Confidentiality
    High
  • Integrity
    High
  • Availability
    High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Credit
Unknown
CVE
CVE-2020-14343
CWE
CWE-20 CWE-94
Snyk ID
SNYK-PYTHON-PYYAML-590151
Disclosed
22 Jul, 2020
Published
26 Jul, 2020