CVE-2022-22754

Mozilla: Extensions could have bypassed permission confirmation during update

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

If a user installed an extension of a particular type, the extension could have auto-updated itself and while doing so, bypass the prompt which grants the new version the new requested permissions. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.

Si un usuario instaló una extensión de un tipo particular, la extensión podría haberse actualizado automáticamente y, al hacerlo, omitir el mensaje que otorga a la nueva versión los nuevos permisos solicitados. Esta vulnerabilidad afecta a Firefox < 97, Thunderbird < 91.6 y Firefox ESR < 91.6.

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes this flaw as: If a user installed a particular type of extension, the extension could have auto-updated itself, and while doing so may have bypassed the prompt which grants the new version the new requested permissions.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

High

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

2022-01-07 CVE Reserved
2022-02-14 CVE Published
2024-07-14 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-863: Incorrect Authorization
CWE-1021: Improper Restriction of Rendered UI Layers or Frames

CAPEC

References (6)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://bugzilla.mozilla.org/show_bug.cgi?id=1750565	2022-12-29
https://www.mozilla.org/security/advisories/mfsa2022-04	2022-12-29
https://www.mozilla.org/security/advisories/mfsa2022-05	2022-12-29
https://www.mozilla.org/security/advisories/mfsa2022-06	2022-12-29
https://access.redhat.com/security/cve/CVE-2022-22754	2022-02-15
https://bugzilla.redhat.com/show_bug.cgi?id=2053236	2022-02-15

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"				< 97.0 Search vendor "Mozilla" for product "Firefox" and version " < 97.0"		-		Affected
Mozilla Search vendor "Mozilla"		Firefox Esr Search vendor "Mozilla" for product "Firefox Esr"				< 91.6 Search vendor "Mozilla" for product "Firefox Esr" and version " < 91.6"		-		Affected
Mozilla Search vendor "Mozilla"		Thunderbird Search vendor "Mozilla" for product "Thunderbird"				< 91.6 Search vendor "Mozilla" for product "Thunderbird" and version " < 91.6"		-		Affected