CVE-2019-20477
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- CVE-2019-20477
CVE Details
| Release Date: | 2020-02-19 |
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.
See more information about CVE-2019-20477 from MITRE CVE dictionary and NIST NVD
CVSS v3.0 metrics
NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.
| Base Score: | 9.8 | Base Metrics: | AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Access Vector: | Network | Attack Complexity: | Low |
| Privileges Required: | None | User Interaction: | None |
| Scope: | Unchanged | Confidentiality Impact: | High |
| Integrity Impact: | High | Availability Impact: | High |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 8 (Cython) | ELSA-2020-4641 | 2020-11-10 |
| Oracle Linux version 8 (PyYAML) | ELSA-2020-4641 | 2020-11-10 |
| Oracle Linux version 8 (babel) | ELSA-2020-4641 | 2020-11-10 |
| Oracle Linux version 8 (mod_wsgi) | ELSA-2020-4641 | 2020-11-10 |
| Oracle Linux version 8 (numpy) | ELSA-2020-4641 | 2020-11-10 |
| Oracle Linux version 8 (python-PyMySQL) | ELSA-2020-4641 | 2020-11-10 |
| Oracle Linux version 8 (python-asn1crypto) | ELSA-2020-4641 | 2020-11-10 |
| Oracle Linux version 8 (python-cffi) | ELSA-2020-4641 | 2020-11-10 |
| Oracle Linux version 8 (python-chardet) | ELSA-2020-4641 | 2020-11-10 |
| Oracle Linux version 8 (python-cryptography) | ELSA-2020-4641 | 2020-11-10 |
| Oracle Linux version 8 (python-idna) | ELSA-2020-4641 | 2020-11-10 |
| Oracle Linux version 8 (python-jinja2) | ELSA-2020-4641 | 2020-11-10 |
| Oracle Linux version 8 (python-lxml) | ELSA-2020-4641 | 2020-11-10 |
| Oracle Linux version 8 (python-markupsafe) | ELSA-2020-4641 | 2020-11-10 |
| Oracle Linux version 8 (python-ply) | ELSA-2020-4641 | 2020-11-10 |
| Oracle Linux version 8 (python-psutil) | ELSA-2020-4641 | 2020-11-10 |
| Oracle Linux version 8 (python-psycopg2) | ELSA-2020-4641 | 2020-11-10 |
| Oracle Linux version 8 (python-pycparser) | ELSA-2020-4641 | 2020-11-10 |
| Oracle Linux version 8 (python-pysocks) | ELSA-2020-4641 | 2020-11-10 |
| Oracle Linux version 8 (python-requests) | ELSA-2020-4641 | 2020-11-10 |
| Oracle Linux version 8 (python-six) | ELSA-2020-4641 | 2020-11-10 |
| Oracle Linux version 8 (python-urllib3) | ELSA-2020-4641 | 2020-11-10 |
| Oracle Linux version 8 (python-wheel) | ELSA-2020-4641 | 2020-11-10 |
| Oracle Linux version 8 (python38) | ELSA-2020-4641 | 2020-11-10 |
| Oracle Linux version 8 (python3x-pip) | ELSA-2020-4641 | 2020-11-10 |
| Oracle Linux version 8 (python3x-setuptools) | ELSA-2020-4641 | 2020-11-10 |
| Oracle Linux version 8 (pytz) | ELSA-2020-4641 | 2020-11-10 |
| Oracle Linux version 8 (scipy) | ELSA-2020-4641 | 2020-11-10 |
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