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
3
*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
macOS Catalina 10.15.3, Security Update 2020-001 Mojave, and Security Update 2020-001 High Sierra are now available and address buffer overflow, bypass, and code execution vulnerabilities.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* 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
- 2020-03-09 First Exploit
- 2024-08-04 CVE Updated
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-787: Out-of-bounds Write
CAPEC
References (6)
| URL | Tag | Source |
|---|---|---|
| http://packetstormsecurity.com/files/162119/iOS-macOS-Radio-Proximity-Kernel-Memory-Corruption.html | Third Party Advisory |
|
| URL | Date | SRC |
|---|---|---|
| https://packetstorm.news/files/id/162119 | 2021-04-07 | |
| https://packetstorm.news/files/id/156664 | 2020-03-09 | |
| https://packetstorm.news/files/id/158225 | 2020-06-25 |
| 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
| ||||||