CVE-2019-17021

Severity Score

5.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

During the initialization of a new content process, a race condition occurs that can allow a content process to disclose heap addresses from the parent process. *Note: this issue only occurs on Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox ESR < 68.4 and Firefox < 72.

Durante la inicialización de un nuevo proceso de contenido, ocurre una condición de carrera que puede permitir a un proceso de contenido revelar direcciones de la pila del proceso principal. * Nota: este problema solo ocurre en Windows. Otros sistemas operativos no están afectados. *. Esta vulnerabilidad afecta a Firefox ESR versiones anteriores a la versión 68.4 y Firefox versiones anteriores a la versión 72.

*Credits: N/A

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

High

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-09-30 CVE Reserved
2020-01-08 CVE Published
2023-12-15 EPSS Updated
2024-08-05 CVE Updated
2024-08-05 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CAPEC

References (6)

URL	Tag	Source
https://seclists.org/bugtraq/2020/Jan/18	Mailing List

URL	Date	SRC
http://packetstormsecurity.com/files/155912/Slackware-Security-Advisory-mozilla-thunderbird-Updates.html	2024-08-05

URL	Date	SRC

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00029.html	2022-01-01
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00043.html	2022-01-01
https://www.mozilla.org/security/advisories/mfsa2020-01	2022-01-01
https://www.mozilla.org/security/advisories/mfsa2020-02	2022-01-01

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"	< 72.0 Search vendor "Mozilla" for product "Firefox" and version " < 72.0"	-	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"	< 68.4 Search vendor "Mozilla" for product "Firefox Esr" and version " < 68.4"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	-	-	Safe
Opensuse Search vendor "Opensuse"		Leap Search vendor "Opensuse" for product "Leap"				15.1 Search vendor "Opensuse" for product "Leap" and version "15.1"		-		Affected