Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') Affecting firefox package, versions <0:91.11.0-2.el8_4


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.54% (79th percentile)

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  • Snyk IDSNYK-RHEL8-FIREFOX-4190121
  • published29 Jun 2022
  • disclosed28 Jun 2022

Introduced: 28 Jun 2022

CVE-2022-2200  (opens in a new tab)
CWE-1321  (opens in a new tab)

How to fix?

Upgrade RHEL:8 firefox to version 0:91.11.0-2.el8_4 or higher.
This issue was patched in RHSA-2022:5472.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

If an object prototype was corrupted by an attacker, they would have been able to set undesired attributes on a JavaScript object, leading to privileged code execution. This vulnerability affects Firefox < 102, Firefox ESR < 91.11, Thunderbird < 102, and Thunderbird < 91.11.

CVSS Scores

version 3.1