CVE-2019-6208

macOS XNU - Copy-on-Write Behaviour Bypass via Partial-Page Truncation of File

Severity Score

5.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A memory initialization issue was addressed with improved memory handling. This issue is fixed in iOS 12.1.3, macOS Mojave 10.14.3, tvOS 12.1.2. A malicious application may cause unexpected changes in memory shared between processes.

Se abordó un problema de inicialización de memoria con la mejora de la gestión de memoria. Este problema se ha resuelto en iOS 12.1.3, macOS Mojave 10.14.3 y tvOS 12.1.2. Una aplicación maliciosa podría provocar daños inesperados en la memoria compartida entre procesos.

XNU suffers from a copy-on-write behavior bypass via partial-page truncation of file.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

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

2019-01-11 CVE Reserved
2019-01-23 CVE Published
2024-02-27 EPSS Updated
2024-08-04 CVE Updated
2024-08-04 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-665: Improper Initialization

CAPEC

References (5)

URL	Tag	Source
http://www.securityfocus.com/bid/106695	Third Party Advisory

URL	Date	SRC
https://www.exploit-db.com/exploits/46296	2024-08-04

URL	Date	SRC

URL	Date	SRC
https://support.apple.com/HT209443	2020-08-24
https://support.apple.com/HT209446	2020-08-24
https://support.apple.com/HT209447	2020-08-24

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"				< 12.1.3 Search vendor "Apple" for product "Iphone Os" and version " < 12.1.3"		-		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				< 10.14.3 Search vendor "Apple" for product "Mac Os X" and version " < 10.14.3"		-		Affected
Apple Search vendor "Apple"		Tv Os Search vendor "Apple" for product "Tv Os"				< 12.1.2 Search vendor "Apple" for product "Tv Os" and version " < 12.1.2"		-		Affected