CVE-2020-3843

iOS / macOS Radio Proximity Kernel Memory Corruption

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 memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 12.4.7, watchOS 5.3.7. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.

Se abordó un problema de corrupción de memoria con una comprobación de entrada mejorada. Este problema es corregido en iOS versión 12.4.7, watchOS versión 5.3.7. Un atacante remoto puede ser capaz de causar la terminación inesperada del sistema o corromper la memoria del kernel

A radio proximity kernel memory corruption vulnerability exists in iOS and macOS due to bad state machine in BSS steering.

*Credits: N/A

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

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

2019-12-18 CVE Reserved
2020-01-29 CVE Published
2024-07-25 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-787: Out-of-bounds Write

CAPEC

References (3)

URL	Tag	Source
http://packetstormsecurity.com/files/162119/iOS-macOS-Radio-Proximity-Kernel-Memory-Corruption.html	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://support.apple.com/HT211169	2022-05-31
https://support.apple.com/HT211176	2022-05-31

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"				< 12.4.7 Search vendor "Apple" for product "Iphone Os" and version " < 12.4.7"		-		Affected
Apple Search vendor "Apple"		Watchos Search vendor "Apple" for product "Watchos"				< 5.3.7 Search vendor "Apple" for product "Watchos" and version " < 5.3.7"		-		Affected