CVE-2024-8385

mozilla: WASM type confusion involving ArrayTypes

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

A difference in the handling of StructFields and ArrayTypes in WASM could be used to trigger an exploitable type confusion vulnerability. This vulnerability affects Firefox < 130 and Firefox ESR < 128.2.

The Mozilla Foundation's Security Advisory: A difference in the handling of StructFields and ArrayTypes in WASM could be used to trigger an exploitable type confusion vulnerability.

*Credits: Seunghyun Lee

CVSS Scores

CISAv3.1 9.8

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

None

Automatable

Yes

Tech. Impact

Total

* Organization's Worst-case Scenario

Timeline

2024-09-03 CVE Reserved
2024-09-03 CVE Published
2024-09-05 EPSS Updated
2024-09-06 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

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

CAPEC

References (6)

URL	Tag	Source
https://bugzilla.mozilla.org/show_bug.cgi?id=1911909
https://www.mozilla.org/security/advisories/mfsa2024-39
https://www.mozilla.org/security/advisories/mfsa2024-40
https://www.mozilla.org/security/advisories/mfsa2024-43

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://access.redhat.com/security/cve/CVE-2024-8385	2024-09-19
https://bugzilla.redhat.com/show_bug.cgi?id=2309431	2024-09-19

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
-		-				-		-		-