CVE Vulnerabilities

CVE-2022-1802

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

Published: Dec 22, 2022 | Modified: Apr 16, 2025
CVSS 3.x
8.8
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
8.8 CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Ubuntu
MEDIUM

If an attacker was able to corrupt the methods of an Array object in JavaScript via prototype pollution, they could have achieved execution of attacker-controlled JavaScript code in a privileged context. This vulnerability affects Firefox ESR < 91.9.1, Firefox < 100.0.2, Firefox for Android < 100.3.0, and Thunderbird < 91.9.1.

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
Firefox Mozilla * 100.0.2 (excluding)
Firefox_esr Mozilla * 91.9.1 (excluding)
Thunderbird Mozilla * 91.9.1 (excluding)
Red Hat Enterprise Linux 7 RedHat firefox-0:91.9.1-1.el7_9 *
Red Hat Enterprise Linux 7 RedHat thunderbird-0:91.9.1-1.el7_9 *
Red Hat Enterprise Linux 8 RedHat thunderbird-0:91.9.1-1.el8_6 *
Red Hat Enterprise Linux 8 RedHat firefox-0:91.9.1-1.el8_6 *
Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions RedHat firefox-0:91.9.1-1.el8_1 *
Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions RedHat thunderbird-0:91.9.1-1.el8_1 *
Red Hat Enterprise Linux 8.2 Extended Update Support RedHat firefox-0:91.9.1-1.el8_2 *
Red Hat Enterprise Linux 8.2 Extended Update Support RedHat thunderbird-0:91.9.1-1.el8_2 *
Red Hat Enterprise Linux 8.4 Extended Update Support RedHat firefox-0:91.9.1-1.el8_4 *
Red Hat Enterprise Linux 8.4 Extended Update Support RedHat thunderbird-0:91.9.1-1.el8_4 *
Red Hat Enterprise Linux 9 RedHat firefox-0:91.9.1-1.el9_0 *
Red Hat Enterprise Linux 9 RedHat thunderbird-0:91.9.1-1.el9_0 *
Firefox Ubuntu bionic *
Firefox Ubuntu focal *
Firefox Ubuntu impish *
Firefox Ubuntu trusty *
Firefox Ubuntu upstream *
Firefox Ubuntu xenial *
Thunderbird Ubuntu bionic *
Thunderbird Ubuntu focal *
Thunderbird Ubuntu impish *
Thunderbird Ubuntu jammy *
Thunderbird Ubuntu kinetic *
Thunderbird Ubuntu trusty *
Thunderbird Ubuntu upstream *
Thunderbird Ubuntu xenial *

Potential Mitigations

References