CVE-2018-4243

Apple macOS/iOS Kernel - Heap Overflow Due to Lack of Lower Size Check in getvolattrlist

Severity Score

7.8

*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 "Kernel" component. A buffer overflow in getvolattrlist allows attackers to execute arbitrary code in a privileged context via a crafted app.

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 "Kernel". Un desbordamiento de búfer en getvolattrlist permite a los atacantes ejecutar código arbitrario en un contexto privilegiado mediante una app manipulada.

The macOS and iOS kernels suffer from a heap overflow due to a lack of lower size check in getvolattrlist.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* 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
2023-10-30 EPSS Updated
2024-08-05 CVE Updated
2024-08-05 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

CAPEC

References (7)

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

URL	Date	SRC
https://www.exploit-db.com/exploits/44848	2024-08-05
https://bugs.chromium.org/p/project-zero/issues/detail?id=1564	2024-08-05

URL	Date	SRC

URL	Date	SRC
https://support.apple.com/HT208848	2018-07-17
https://support.apple.com/HT208849	2018-07-17
https://support.apple.com/HT208850	2018-07-17
https://support.apple.com/HT208851	2018-07-17

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Apple Search vendor "Apple"		Apple Tv Search vendor "Apple" for product "Apple Tv"				< 11.4 Search vendor "Apple" for product "Apple Tv" and version " < 11.4"		-		Affected
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"		Watchos Search vendor "Apple" for product "Watchos"				< 4.3.1 Search vendor "Apple" for product "Watchos" and version " < 4.3.1"		-		Affected