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  5. CVE-2020-13388

CVE-2020-13388: OS Command Injection

May 22, 2020 (updated May 28, 2020)

An exploitable vulnerability exists in the configuration-loading functionality of the jw.util package for Python. When loading a configuration with FromString or FromStream with YAML, one can execute arbitrary Python code, resulting in OS command execution, because safe_load is not used.

References

  • nvd.nist.gov/vuln/detail/CVE-2020-13388

Code Behaviors & Features

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Affected versions

All versions before 2.3

Fixed versions

  • 2.3

Solution

Upgrade to version 2.3 or above.

Impact 9.8 CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Learn more about CVSS

Weakness

  • CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Source file

pypi/jw.util/CVE-2020-13388.yml

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