CVE-2020-1747

CVE Details

Release Date:2020-03-24
Impact:None What is this?

Description


A vulnerability was discovered in the PyYAML library in versions before 5.3.1, 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. An attacker could use this flaw to execute arbitrary code on the system by abusing the python/object/new constructor.

See more information about CVE-2020-1747 from MITRE CVE dictionary and NIST NVD


NOTE: The following CVSS metrics and score provided are preliminary and subject to review.


CVSS v3 metrics

Base Score: 9.8
Vector String: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Version: 3.0
Attack Vector: Network
Attack Complexity: Low
Privileges Required: None
User Interaction: None
Scope: Unchanged
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High

Errata information


PlatformErrataRelease Date
Oracle Linux version 8 (Cython)ELSA-2020-46412020-11-10
Oracle Linux version 8 (PyYAML)ELSA-2020-46412020-11-10
Oracle Linux version 8 (babel)ELSA-2020-46412020-11-10
Oracle Linux version 8 (mod_wsgi)ELSA-2020-46412020-11-10
Oracle Linux version 8 (numpy)ELSA-2020-46412020-11-10
Oracle Linux version 8 (python-PyMySQL)ELSA-2020-46412020-11-10
Oracle Linux version 8 (python-asn1crypto)ELSA-2020-46412020-11-10
Oracle Linux version 8 (python-cffi)ELSA-2020-46412020-11-10
Oracle Linux version 8 (python-chardet)ELSA-2020-46412020-11-10
Oracle Linux version 8 (python-cryptography)ELSA-2020-46412020-11-10
Oracle Linux version 8 (python-idna)ELSA-2020-46412020-11-10
Oracle Linux version 8 (python-jinja2)ELSA-2020-46412020-11-10
Oracle Linux version 8 (python-lxml)ELSA-2020-46412020-11-10
Oracle Linux version 8 (python-markupsafe)ELSA-2020-46412020-11-10
Oracle Linux version 8 (python-ply)ELSA-2020-46412020-11-10
Oracle Linux version 8 (python-psutil)ELSA-2020-46412020-11-10
Oracle Linux version 8 (python-psycopg2)ELSA-2020-46412020-11-10
Oracle Linux version 8 (python-pycparser)ELSA-2020-46412020-11-10
Oracle Linux version 8 (python-pysocks)ELSA-2020-46412020-11-10
Oracle Linux version 8 (python-requests)ELSA-2020-46412020-11-10
Oracle Linux version 8 (python-six)ELSA-2020-46412020-11-10
Oracle Linux version 8 (python-urllib3)ELSA-2020-46412020-11-10
Oracle Linux version 8 (python-wheel)ELSA-2020-46412020-11-10
Oracle Linux version 8 (python38)ELSA-2020-46412020-11-10
Oracle Linux version 8 (python3x-pip)ELSA-2020-46412020-11-10
Oracle Linux version 8 (python3x-setuptools)ELSA-2020-46412020-11-10
Oracle Linux version 8 (pytz)ELSA-2020-46412020-11-10
Oracle Linux version 8 (scipy)ELSA-2020-46412020-11-10


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