CVE-2018-4240

Apple macOS 10.13.4 - Denial of Service (PoC)

Severity Score

6.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An issue was discovered in certain Apple products. iOS before 11.4 is affected. macOS before 10.13.5 is affected. tvOS before 11.4 is affected. watchOS before 4.3.1 is affected. The issue involves the "Messages" component. It allows remote attackers to cause a denial of service via a crafted message.

Se ha descubierto un problema en algunos productos Apple. Las versiones de iOS anteriores a la 11.4, las versiones de macOS anteriores a la 10.13.5, las versiones de tvOS anteriores a la 11.4 y las versiones de watchOS anteriores a la 4.3.1 se han visto afectadas. El problema afecta al componente "Messages". Permite que atacantes remotos provoquen una denegación de servicio (cierre inesperado) mediante un mensaje manipulado.

macOS High Sierra 10.13.5, Security Update 2018-003 Sierra, and Security Update 2018-003 El Capitan are now available and address buffer overflow, code execution, and denial of service vulnerabilities.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-01-02 CVE Reserved
2018-06-01 CVE Published
2018-09-12 First Exploit
2024-08-05 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-20: Improper Input Validation

CAPEC

References (7)

URL	Tag	Source
http://www.securitytracker.com/id/1041027	Third Party Advisory

URL	Date	SRC
https://packetstorm.news/files/id/149330	2018-09-12
https://www.exploit-db.com/exploits/45391	2024-08-05

URL	Date	SRC

URL	Date	SRC
https://support.apple.com/HT208848	2019-03-07
https://support.apple.com/HT208849	2019-03-07
https://support.apple.com/HT208850	2019-03-07
https://support.apple.com/HT208851	2019-03-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				< 11.4 Search vendor "Apple" for product "Iphone Os" and version " < 11.4"		-		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				< 10.13.5 Search vendor "Apple" for product "Mac Os X" and version " < 10.13.5"		-		Affected
Apple Search vendor "Apple"		Tvos Search vendor "Apple" for product "Tvos"				< 11.4 Search vendor "Apple" for product "Tvos" and version " < 11.4"		-		Affected
Apple Search vendor "Apple"		Watchos Search vendor "Apple" for product "Watchos"				< 4.3.1 Search vendor "Apple" for product "Watchos" and version " < 4.3.1"		-		Affected