CVE Vulnerabilities

CVE-2021-3918

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

Published: Nov 13, 2021 | Modified: Jan 17, 2025
CVSS 3.x
9.8
CRITICAL
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
7.5 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
9.8 IMPORTANT
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Ubuntu
MEDIUM

json-schema is vulnerable to Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution)

Weakness

The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype.

Affected Software

Name Vendor Start Version End Version
Json-schema Json-schema_project * 0.4.0 (excluding)
Red Hat Advanced Cluster Management for Kubernetes 2.3 for RHEL 8 RedHat rhacm2/application-ui-rhel8:v2.3.6-9 *
Red Hat Advanced Cluster Management for Kubernetes 2.3 for RHEL 8 RedHat rhacm2/console-api-rhel8:v2.3.6-9 *
Red Hat Advanced Cluster Management for Kubernetes 2.3 for RHEL 8 RedHat rhacm2/grc-ui-api-rhel8:v2.3.6-10 *
Red Hat Advanced Cluster Management for Kubernetes 2.3 for RHEL 8 RedHat rhacm2/grc-ui-rhel8:v2.3.6-8 *
Red Hat Enterprise Linux 8 RedHat nodejs:12-8060020220523160029.ad008a3a *
Red Hat Enterprise Linux 8 RedHat nodejs:16-8050020211206113934.c5368500 *
Red Hat Enterprise Linux 8 RedHat nodejs:14-8050020211213115342.c5368500 *
Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions RedHat nodejs:12-8010020220518102644.c27ad7f8 *
Red Hat Enterprise Linux 8.2 Extended Update Support RedHat nodejs:12-8020020220523154454.4cda2c84 *
Red Hat Enterprise Linux 8.4 Extended Update Support RedHat nodejs:12-8040020220523155137.522a0ee4 *
Red Hat Enterprise Linux 8.4 Extended Update Support RedHat nodejs:14-8040020211213111158.522a0ee4 *
Red Hat Software Collections for Red Hat Enterprise Linux 7 RedHat rh-nodejs14-nodejs-0:14.18.2-1.el7 *
Red Hat Software Collections for Red Hat Enterprise Linux 7 RedHat rh-nodejs14-nodejs-nodemon-0:2.0.3-6.el7 *
Red Hat Software Collections for Red Hat Enterprise Linux 7 RedHat rh-nodejs12-nodejs-0:12.22.12-2.el7 *
Node-json-schema Ubuntu bionic *
Node-json-schema Ubuntu esm-apps/bionic *
Node-json-schema Ubuntu esm-apps/focal *
Node-json-schema Ubuntu focal *
Node-json-schema Ubuntu hirsute *
Node-json-schema Ubuntu impish *
Node-json-schema Ubuntu trusty *
Node-json-schema Ubuntu upstream *
Node-json-schema Ubuntu xenial *

Potential Mitigations

References