CVE-2020-14343

CRITICAL

9.8

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published2/9/2021

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

oracle:communications_cloud_native_core_network_function_cloud_native_environmentpyyaml:pyyaml

Weaknesses (CWE)

CWE-20CWE-20

References

https://bugzilla.redhat.com/show_bug.cgi?id=1860466(secalert@redhat.com)

https://github.com/SeldonIO/seldon-core/issues/2252(secalert@redhat.com)

https://github.com/yaml/pyyaml/issues/420(secalert@redhat.com)

https://www.oracle.com/security-alerts/cpuapr2022.html(secalert@redhat.com)

https://www.oracle.com/security-alerts/cpujul2022.html(secalert@redhat.com)

https://bugzilla.redhat.com/show_bug.cgi?id=1860466(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/SeldonIO/seldon-core/issues/2252(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/yaml/pyyaml/issues/420(af854a3a-2127-422b-91ae-364da2661108)

https://www.oracle.com/security-alerts/cpuapr2022.html(af854a3a-2127-422b-91ae-364da2661108)

https://www.oracle.com/security-alerts/cpujul2022.html(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.