CVE-2023-39928

webkitgtk: use-after-free in the MediaRecorder API of the WebKit GStreamer-based ports

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A use-after-free vulnerability exists in the MediaRecorder API of Webkit WebKitGTK 2.40.5. A specially crafted web page can abuse this vulnerability to cause memory corruption and potentially arbitrary code execution. A user would need to to visit a malicious webpage to trigger this vulnerability.

Existe una vulnerabilidad de use-after-free en la API MediaRecorder de Webkit WebKitGTK 2.40.5. Una página web especialmente manipulada puede aprovechar esta vulnerabilidad para provocar daños en la memoria y ejecución de código potencialmente arbitrario. Un usuario tendría que visitar una página web maliciosa para activar esta vulnerabilidad.

A use-after-free vulnerability was found in the WebKitGTK's MediaRecorder API that may lead to memory corruption and Remote Code Execution. The victim needs to access a malicious web page to trigger this vulnerability.

Marcin Noga discovered that a specially crafted web page can abuse a vulnerability in the MediaRecorder API to cause memory corruption and potentially arbitrary code execution. Junsung Lee and Me Li discovered that processing web content may lead to arbitrary code execution. Bill Marczak and Maddie Stone discovered that processing web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

*Credits: Discovered by Marcin 'Icewall' Noga of Cisco Talos.

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-08-14 CVE Reserved
2023-10-06 CVE Published
2025-02-13 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-416: Use After Free

CAPEC

References (7)

URL	Tag	Source
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4EEMDC5TQAANFH5D77QM34ZTUKXPFGVL	Mailing List
https://security.gentoo.org/glsa/202401-33
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1831	Third Party Advisory
https://www.debian.org/security/2023/dsa-5527	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://webkitgtk.org/security/WSA-2023-0009.html	2024-01-31
https://access.redhat.com/security/cve/CVE-2023-39928	2024-05-22
https://bugzilla.redhat.com/show_bug.cgi?id=2241400	2024-05-22

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Webkitgtk Search vendor "Webkitgtk"		Webkitgtk Search vendor "Webkitgtk" for product "Webkitgtk"				2.40.5 Search vendor "Webkitgtk" for product "Webkitgtk" and version "2.40.5"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				11.0 Search vendor "Debian" for product "Debian Linux" and version "11.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				12.0 Search vendor "Debian" for product "Debian Linux" and version "12.0"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				37 Search vendor "Fedoraproject" for product "Fedora" and version "37"		-		Affected