En resumen
- CVE-2019-20477 es una vulnerabilidad CRÍTICO (CVSS 9.8) que afecta a pyyaml, pyyaml (pyyaml).
- Probabilidad de explotación en los próximos 30 días (EPSS): 5.1%, mayor que el 92.4% de las vulnerabilidades.
- Solución: actualizar a 5.2, 5.2b1 o posterior.
| Package | Affected versions | Patched versions |
|---|
| pyyaml PyPI | ≥ 5.1, < 5.2≥ 5.1, < 5.2b1
| 5.25.2b1
|
| pyyaml | ≥ 5.1, ≤ 5.1.2
| No fix yet |
Description
PyYAML 5.1 through 5.1.2 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. NOTE: this issue exists because of an incomplete fix for CVE-2017-18342.
NVD description
PyYAML 5.1 through 5.1.2 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. NOTE: this issue exists because of an incomplete fix for CVE-2017-18342.
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