CVE-2022-29909

Mozilla: Bypassing permission prompt in nested browsing contexts

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Documents in deeply-nested cross-origin browsing contexts could have obtained permissions granted to the top-level origin, bypassing the existing prompt and wrongfully inheriting the top-level permissions. This vulnerability affects Thunderbird < 91.9, Firefox ESR < 91.9, and Firefox < 100.

Los documentos en contextos de navegación entre orígenes profundamente anidados podrían haber obtenido permisos otorgados al origen de nivel superior, omitiendo el mensaje existente y heredando erróneamente los permisos de nivel superior. Esta vulnerabilidad afecta a Thunderbird < 91.9, Firefox ESR < 91.9 y Firefox < 100.

The Mozilla Foundation Security Advisory describes this flaw as:

Documents in deeply-nested cross-origin browsing contexts could have obtained permissions granted to the top-level origin, bypassing the existing prompt and wrongfully inheriting the top-level permissions.

*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

2022-04-29 CVE Reserved
2022-05-04 CVE Published
2024-08-03 CVE Updated
2024-08-12 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-276: Incorrect Default Permissions
CWE-281: Improper Preservation of Permissions

CAPEC

References (5)

URL	Tag	Source
https://www.mozilla.org/security/advisories/mfsa2022-18	Mailing List

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.mozilla.org/security/advisories/mfsa2022-16	2022-12-30
https://www.mozilla.org/security/advisories/mfsa2022-17	2022-12-30
https://access.redhat.com/security/cve/CVE-2022-29909	2022-05-18
https://bugzilla.redhat.com/show_bug.cgi?id=2081469	2022-05-18

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"				< 100.0 Search vendor "Mozilla" for product "Firefox" and version " < 100.0"		-		Affected
Mozilla Search vendor "Mozilla"		Firefox Esr Search vendor "Mozilla" for product "Firefox Esr"				< 91.9 Search vendor "Mozilla" for product "Firefox Esr" and version " < 91.9"		-		Affected
Mozilla Search vendor "Mozilla"		Thunderbird Search vendor "Mozilla" for product "Thunderbird"				< 91.9 Search vendor "Mozilla" for product "Thunderbird" and version " < 91.9"		-		Affected