CVE-2020-9967
Apple Security Advisory 2020-12-14-3
Severity Score
7.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
Multiple memory corruption issues were addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, tvOS 14.0, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, watchOS 7.0, iOS 14.0 and iPadOS 14.0. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.
Se abordaron múltiples problemas de corrupción de la memoria con una comprobación de la entrada mejorada. Este problema es corregido en macOS Big Sur versión 11.0.1, tvOS versión 14.0, macOS Big Sur versión 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, watchOS 7.0, iOS versión 14.0 y iPadOS versión 14.0. Un atacante remoto puede ser capaz de causar la finalización inesperada del sistema o corromper la memoria del kernel.
macOS Big Sur 11.1, Security Update 2020-001 Catalina, and Security Update 2020-007 Mojave address buffer overflow, bypass, code execution, denial of service, information leakage, integer overflow, out of bounds read, out of bounds write, and use-after-free 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
- 2020-03-02 CVE Reserved
- 2020-12-16 CVE Published
- 2021-07-14 First Exploit
- 2024-08-04 CVE Updated
- 2025-04-13 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-787: Out-of-bounds Write
CAPEC
References (7)
| URL | Tag | Source |
|---|---|---|
| http://packetstormsecurity.com/files/163501/XNU-Network-Stack-Kernel-Heap-Overflow.html | Third Party Advisory |
|
| URL | Date | SRC |
|---|---|---|
| https://packetstorm.news/files/id/163501 | 2021-07-14 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://support.apple.com/en-us/HT211843 | 2022-06-28 | |
| https://support.apple.com/en-us/HT211844 | 2022-06-28 | |
| https://support.apple.com/en-us/HT211850 | 2022-06-28 | |
| https://support.apple.com/en-us/HT211931 | 2022-06-28 | |
| https://support.apple.com/en-us/HT212011 | 2022-06-28 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Apple Search vendor "Apple" | Ipados Search vendor "Apple" for product "Ipados" | < 14.0 Search vendor "Apple" for product "Ipados" and version " < 14.0" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Iphone Os Search vendor "Apple" for product "Iphone Os" | < 14.0 Search vendor "Apple" for product "Iphone Os" and version " < 14.0" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | >= 10.14 < 10.14.6 Search vendor "Apple" for product "Mac Os X" and version " >= 10.14 < 10.14.6" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | >= 10.15 < 10.15.7 Search vendor "Apple" for product "Mac Os X" and version " >= 10.15 < 10.15.7" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6" | security_update_2019-001 |
Affected
| ||||||
| Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6" | security_update_2019-002 |
Affected
| ||||||
| Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6" | security_update_2020-001 |
Affected
| ||||||
| Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6" | security_update_2020-002 |
Affected
| ||||||
| Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6" | security_update_2020-003 |
Affected
| ||||||
| Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6" | security_update_2020-004 |
Affected
| ||||||
| Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6" | security_update_2020-005 |
Affected
| ||||||
| Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6" | security_update_2020-006 |
Affected
| ||||||
| Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6" | supplemental_update |
Affected
| ||||||
| Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6" | supplemental_update_2 |
Affected
| ||||||
| Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.15.7 Search vendor "Apple" for product "Mac Os X" and version "10.15.7" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.15.7 Search vendor "Apple" for product "Mac Os X" and version "10.15.7" | supplemental_update |
Affected
| ||||||
| Apple Search vendor "Apple" | Macos Search vendor "Apple" for product "Macos" | >= 11.0 < 11.1.0 Search vendor "Apple" for product "Macos" and version " >= 11.0 < 11.1.0" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Tvos Search vendor "Apple" for product "Tvos" | < 14.0 Search vendor "Apple" for product "Tvos" and version " < 14.0" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Watchos Search vendor "Apple" for product "Watchos" | < 7.0 Search vendor "Apple" for product "Watchos" and version " < 7.0" | - |
Affected
| ||||||