CVE-2017-13847

Apple macOS/iOS - Multiple Kernel Use-After-Frees due to Incorrect IOKit Object Lifetime Management in IOTimeSyncClockManagerUserClient

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 11.2 is affected. macOS before 10.13.2 is affected. The issue involves the "IOKit" component. It allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app.

Se ha descubierto un problema en ciertos productos Apple. Se han visto afectadas las versiones de iOS anteriores a la 11.2 y las versiones de macOS anteriores a la 10.13.2. El problema afecta al componente "IOKit". Permite a los atacantes ejecutar código arbitrario en un contexto privilegiado o provocar una denegación de servicio (corrupción de memoria) mediante una app manipulada.

macOS High Sierra 10.13.2, Security Update 2017-002 Sierra, and Security Update 2017-005 El Capitan are now available and address issues in apache, curl, and more.

*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

2017-08-30 CVE Reserved
2017-12-08 CVE Published
2017-12-12 First Exploit
2024-08-05 CVE Updated
2025-03-30 EPSS Updated
---------- 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.securityfocus.com/bid/102097	Third Party Advisory
http://www.securitytracker.com/id/1039953	Third Party Advisory
http://www.securitytracker.com/id/1039966	Third Party Advisory

URL	Date	SRC
https://packetstorm.news/files/id/145361	2017-12-12
https://www.exploit-db.com/exploits/43326	2024-08-05

URL	Date	SRC

URL	Date	SRC
https://support.apple.com/HT208331	2017-12-28
https://support.apple.com/HT208334	2017-12-28

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"				< 11.2 Search vendor "Apple" for product "Iphone Os" and version " < 11.2"		-		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				< 10.13.2 Search vendor "Apple" for product "Mac Os X" and version " < 10.13.2"		-		Affected