CVE-2022-2200

Mozilla: Undesired attributes could be set as part of prototype pollution

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Si un atacante corrompiera el prototipo de un objeto, habría podido establecer atributos no deseados en un objeto JavaScript, lo que habría llevado a la ejecución de código privilegiado. Esta vulnerabilidad afecta a Firefox < 102, Firefox ESR < 91.11, Thunderbird < 102 y Thunderbird < 91.11.

The Mozilla Foundation Security Advisory describes this flaw as:

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.

*Credits: N/A

CVSS Scores

NISTv3.1 8.8

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-06-24 CVE Reserved
2022-06-28 CVE Published
2024-08-03 CVE Updated
2024-09-10 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

CAPEC

References (5)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.mozilla.org/security/advisories/mfsa2022-24	2023-01-03
https://www.mozilla.org/security/advisories/mfsa2022-25	2023-01-03
https://www.mozilla.org/security/advisories/mfsa2022-26	2023-01-03
https://access.redhat.com/security/cve/CVE-2022-2200	2022-07-01
https://bugzilla.redhat.com/show_bug.cgi?id=2102168	2022-07-01

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Mozilla Search vendor "Mozilla"		Firefox Search vendor "Mozilla" for product "Firefox"				< 102.0 Search vendor "Mozilla" for product "Firefox" and version " < 102.0"		-		Affected
Mozilla Search vendor "Mozilla"		Firefox Esr Search vendor "Mozilla" for product "Firefox Esr"				< 91.11 Search vendor "Mozilla" for product "Firefox Esr" and version " < 91.11"		-		Affected
Mozilla Search vendor "Mozilla"		Thunderbird Search vendor "Mozilla" for product "Thunderbird"				< 91.11 Search vendor "Mozilla" for product "Thunderbird" and version " < 91.11"		-		Affected