CVE-2022-22753

Severity Score

7.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A Time-of-Check Time-of-Use bug existed in the Maintenance (Updater) Service that could be abused to grant Users write access to an arbitrary directory. This could have been used to escalate to SYSTEM access.<br>*This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.

Existía un error de tiempo de verificación de tiempo de uso en el servicio de mantenimiento (actualizador) del que se podía abusar para otorgar a los usuarios acceso de escritura a un directorio arbitrario. Esto podría haberse utilizado para escalar al acceso al SYSTEM.<br>*Este error solo afecta a Firefox en Windows. Otros sistemas operativos no se ven afectados.*. Esta vulnerabilidad afecta a Firefox < 97, Thunderbird < 91.6 y Firefox ESR < 91.6.

*Credits: N/A

CVSS Scores

NISTv3.1 7.1

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

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
2022-12-22 CVE Published
2024-08-03 CVE Updated
2024-08-03 First Exploit
2024-08-12 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition

CAPEC

References (4)

URL	Tag	Source

URL	Date	SRC
https://bugzilla.mozilla.org/show_bug.cgi?id=1732435	2024-08-03

URL	Date	SRC

URL	Date	SRC
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

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	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	-	-	Safe
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	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	-	-	Safe
Mozilla Search vendor "Mozilla"	Thunderbird Search vendor "Mozilla" for product "Thunderbird"	< 91.6 Search vendor "Mozilla" for product "Thunderbird" and version " < 91.6"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	-	-	Safe