CVE-2019-9816

Spidermonkey - IonMonkey Unexpected ObjectGroup in ObjectGroupDispatch Operation

Severity Score

5.9

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A possible vulnerability exists where type confusion can occur when manipulating JavaScript objects in object groups, allowing for the bypassing of security checks within these groups. *Note: this vulnerability has only been demonstrated with UnboxedObjects, which are disabled by default on all supported releases.*. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.

Se presenta una posible vulnerabilidad donde puede producirse una confusión de tipo al manipular objetos de JavaScript en grupos de objetos, lo que permite omitir las comprobaciones de seguridad dentro de estos grupos. *Nota: esta vulnerabilidad solo ha sido demostrado con UnboxedObjects, que está deshabilitada por defecto en todas las versiones compatibles.*. Esta vulnerabilidad afecta a Thunderbird anterior a versión 60.7, Firefox anterior a versión 67 y Firefox ESR anterior a versión 60.7.

*Credits: N/A

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-03-14 CVE Reserved
2019-05-21 CVE Published
2019-05-29 First Exploit
2024-08-04 CVE Updated
2024-09-08 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')

CAPEC

References (6)

URL	Tag	Source

URL	Date	SRC
https://www.exploit-db.com/exploits/46940	2019-05-29

URL	Date	SRC

URL	Date	SRC
https://www.mozilla.org/security/advisories/mfsa2019-13	2020-08-24
https://www.mozilla.org/security/advisories/mfsa2019-14	2020-08-24
https://www.mozilla.org/security/advisories/mfsa2019-15	2020-08-24
https://access.redhat.com/security/cve/CVE-2019-9816	2019-05-23
https://bugzilla.redhat.com/show_bug.cgi?id=1712625	2019-05-23

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"				< 67.0 Search vendor "Mozilla" for product "Firefox" and version " < 67.0"		-		Affected
Mozilla Search vendor "Mozilla"		Firefox Esr Search vendor "Mozilla" for product "Firefox Esr"				< 60.7 Search vendor "Mozilla" for product "Firefox Esr" and version " < 60.7"		-		Affected
Mozilla Search vendor "Mozilla"		Thunderbird Search vendor "Mozilla" for product "Thunderbird"				< 60.7 Search vendor "Mozilla" for product "Thunderbird" and version " < 60.7"		-		Affected