CVE-2020-14343
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- CVE-2020-14343
CVE Details
| Release Date: | 2021-02-09 |
Description
A vulnerability was discovered in the PyYAML library in versions before 5.4, where it is susceptible to arbitrary code execution when it processes untrusted YAML files through the full_load method or with the FullLoader loader. Applications that use the library to process untrusted input may be vulnerable to this flaw. This flaw allows an attacker to execute arbitrary code on the system by abusing the python/object/new constructor. This flaw is due to an incomplete fix for CVE-2020-1747.
See more information about CVE-2020-14343 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-2021-2583 | 2021-07-02 |
| Oracle Linux version 8 (PyYAML) | ELSA-2021-2583 | 2021-07-02 |
| Oracle Linux version 8 (babel) | ELSA-2021-2583 | 2021-07-02 |
| Oracle Linux version 8 (mod_wsgi) | ELSA-2021-2583 | 2021-07-02 |
| Oracle Linux version 8 (numpy) | ELSA-2021-2583 | 2021-07-02 |
| Oracle Linux version 8 (python-PyMySQL) | ELSA-2021-2583 | 2021-07-02 |
| Oracle Linux version 8 (python-asn1crypto) | ELSA-2021-2583 | 2021-07-02 |
| Oracle Linux version 8 (python-cffi) | ELSA-2021-2583 | 2021-07-02 |
| Oracle Linux version 8 (python-chardet) | ELSA-2021-2583 | 2021-07-02 |
| Oracle Linux version 8 (python-cryptography) | ELSA-2021-2583 | 2021-07-02 |
| Oracle Linux version 8 (python-idna) | ELSA-2021-2583 | 2021-07-02 |
| Oracle Linux version 8 (python-jinja2) | ELSA-2021-2583 | 2021-07-02 |
| Oracle Linux version 8 (python-lxml) | ELSA-2021-2583 | 2021-07-02 |
| Oracle Linux version 8 (python-markupsafe) | ELSA-2021-2583 | 2021-07-02 |
| Oracle Linux version 8 (python-ply) | ELSA-2021-2583 | 2021-07-02 |
| Oracle Linux version 8 (python-psutil) | ELSA-2021-2583 | 2021-07-02 |
| Oracle Linux version 8 (python-psycopg2) | ELSA-2021-2583 | 2021-07-02 |
| Oracle Linux version 8 (python-pycparser) | ELSA-2021-2583 | 2021-07-02 |
| Oracle Linux version 8 (python-pysocks) | ELSA-2021-2583 | 2021-07-02 |
| Oracle Linux version 8 (python-requests) | ELSA-2021-2583 | 2021-07-02 |
| Oracle Linux version 8 (python-urllib3) | ELSA-2021-2583 | 2021-07-02 |
| Oracle Linux version 8 (python-wheel) | ELSA-2021-2583 | 2021-07-02 |
| Oracle Linux version 8 (python38) | ELSA-2021-2583 | 2021-07-02 |
| Oracle Linux version 8 (python3x-pip) | ELSA-2021-2583 | 2021-07-02 |
| Oracle Linux version 8 (python3x-setuptools) | ELSA-2021-2583 | 2021-07-02 |
| Oracle Linux version 8 (python3x-six) | ELSA-2021-2583 | 2021-07-02 |
| Oracle Linux version 8 (pytz) | ELSA-2021-2583 | 2021-07-02 |
| Oracle Linux version 8 (scipy) | ELSA-2021-2583 | 2021-07-02 |
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