NVD

CVE-2020-1747 Detail

Modified

This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.

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.

Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.

CVSS 4.0 Severity and Vector Strings:

NIST: NVD

N/A

NVD assessment not yet provided.

CVSS 3.x Severity and Vector Strings:

CNA: Red Hat, Inc.

Base Score: 9.8 CRITICAL

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

CVSS 2.0 Severity and Vector Strings:

National Institute of Standards and Technology

NIST: NVD

Base Score: 10.0 HIGH

Vector: (AV:N/AC:L/Au:N/C:C/I:C/A:C)

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00017.html	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00017.html	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00017.html	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00017.html	Mailing List Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1747	Issue Tracking Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1747	Issue Tracking Patch Third Party Advisory
https://github.com/yaml/pyyaml/pull/386	Patch Third Party Advisory
https://github.com/yaml/pyyaml/pull/386	Patch Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7PPAS6C4SZRDQLR7C22A5U3QOLXY33JX/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7PPAS6C4SZRDQLR7C22A5U3QOLXY33JX/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K5HEPD7LEVDPCITY5IMDYWXUMX37VFMY/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K5HEPD7LEVDPCITY5IMDYWXUMX37VFMY/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MMQXSZXNJT6ERABJZAAICI3DQSQLCP3D/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MMQXSZXNJT6ERABJZAAICI3DQSQLCP3D/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WORRFHPQVAFKKXXWLSSW6XKUYLWM6CSH/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WORRFHPQVAFKKXXWLSSW6XKUYLWM6CSH/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZBJA3SGNJKCAYPSHOHWY3KBCWNM5NYK2/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZBJA3SGNJKCAYPSHOHWY3KBCWNM5NYK2/
https://www.oracle.com/security-alerts/cpujul2022.html	Patch Third Party Advisory
https://www.oracle.com/security-alerts/cpujul2022.html	Patch Third Party Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-20	Improper Input Validation	NIST Red Hat, Inc.

Known Affected Software Configurations Switch to CPE 2.2

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Change History

16 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-1747
NVD Published Date:
03/24/2020
NVD Last Modified:
11/21/2024
Source:
Red Hat, Inc.

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Information Technology Laboratory

National Vulnerability Database

National Vulnerability Database

CVE-2020-1747 Detail

Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Known Affected Software Configurations Switch to CPE 2.2

CPEs loading, please wait.

Change History

CVE Modified by CVE 11/21/2024 12:11:17 AM

CVE Modified by Red Hat, Inc. 5/14/2024 2:41:46 AM

CVE Modified by Red Hat, Inc. 11/06/2023 10:19:32 PM

Modified Analysis by NIST 2/03/2023 3:27:10 PM

CVE Modified by Red Hat, Inc. 7/25/2022 2:15:19 PM

Modified Analysis by NIST 3/25/2021 10:44:33 PM

CVE Modified by Red Hat, Inc. 1/29/2021 11:15:12 PM

Modified Analysis by NIST 1/27/2021 12:32:43 PM

CVE Modified by Red Hat, Inc. 1/26/2021 1:15:41 PM

CPE Deprecation Remap by NIST 5/28/2020 9:21:27 AM

CVE Modified by Red Hat, Inc. 5/11/2020 7:15:13 AM

CVE Modified by Red Hat, Inc. 4/11/2020 8:15:11 PM

Initial Analysis by NIST 3/30/2020 9:59:36 AM

CVE Modified by Red Hat, Inc. 3/28/2020 10:15:12 PM

CVE Modified by Red Hat, Inc. 3/27/2020 11:15:12 AM

CVE Modified by Red Hat, Inc. 3/27/2020 9:15:15 AM

Quick Info