CVE-2021-30949

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-30949
A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.6.2, tvOS 15.2, macOS Monterey 12.1, Security Update 2021-008 Catalina, iOS 15.2 and iPadOS 15.2, watchOS 8.3. A malicious application may be able to execute arbitrary code with kernel privileges.

7.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.3 /10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:M/Au:N/C:C/I:C/A:C

Exploitability : 8.6 / Impact : 10.0

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References
Link Resource
http://packetstormsecurity.com/files/165670/XNU-Kernel-mach_msg-Use-After-Free.html
https://support.apple.com/en-us/HT212975
https://support.apple.com/en-us/HT212976
https://support.apple.com/en-us/HT212978
https://support.apple.com/en-us/HT212979
https://support.apple.com/en-us/HT212980
https://support.apple.com/en-us/HT212981
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-004:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-005:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-006:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-007:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
History

07 Nov 2023, 03:34

Type Values Removed Values Added
References (MISC) https://support.apple.com/en-us/HT212975 - Vendor Advisory () https://support.apple.com/en-us/HT212975 -
References (MISC) http://packetstormsecurity.com/files/165670/XNU-Kernel-mach_msg-Use-After-Free.html - Third Party Advisory, VDB Entry () http://packetstormsecurity.com/files/165670/XNU-Kernel-mach_msg-Use-After-Free.html -
References (MISC) https://support.apple.com/en-us/HT212976 - Vendor Advisory () https://support.apple.com/en-us/HT212976 -
References (MISC) https://support.apple.com/en-us/HT212980 - Vendor Advisory () https://support.apple.com/en-us/HT212980 -
References (MISC) https://support.apple.com/en-us/HT212981 - Vendor Advisory () https://support.apple.com/en-us/HT212981 -
References (MISC) https://support.apple.com/en-us/HT212978 - Vendor Advisory () https://support.apple.com/en-us/HT212978 -
References (MISC) https://support.apple.com/en-us/HT212979 - Vendor Advisory () https://support.apple.com/en-us/HT212979 -

09 Feb 2022, 21:07

Type Values Removed Values Added
References (MISC) http://packetstormsecurity.com/files/165670/XNU-Kernel-mach_msg-Use-After-Free.html - (MISC) http://packetstormsecurity.com/files/165670/XNU-Kernel-mach_msg-Use-After-Free.html - Third Party Advisory, VDB Entry

24 Jan 2022, 17:15

Type Values Removed Values Added
References
  • (MISC) http://packetstormsecurity.com/files/165670/XNU-Kernel-mach_msg-Use-After-Free.html -

29 Dec 2021, 18:25

Type Values Removed Values Added
CWE CWE-787
References (MISC) https://support.apple.com/en-us/HT212975 - (MISC) https://support.apple.com/en-us/HT212975 - Vendor Advisory
References (MISC) https://support.apple.com/en-us/HT212980 - (MISC) https://support.apple.com/en-us/HT212980 - Vendor Advisory
References (MISC) https://support.apple.com/en-us/HT212981 - (MISC) https://support.apple.com/en-us/HT212981 - Vendor Advisory
References (MISC) https://support.apple.com/en-us/HT212976 - (MISC) https://support.apple.com/en-us/HT212976 - Vendor Advisory
References (MISC) https://support.apple.com/en-us/HT212979 - (MISC) https://support.apple.com/en-us/HT212979 - Vendor Advisory
References (MISC) https://support.apple.com/en-us/HT212978 - (MISC) https://support.apple.com/en-us/HT212978 - Vendor Advisory
First Time Apple watchos
Apple iphone Os
Apple macos
Apple ipados
Apple
Apple mac Os X
CPE cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-007:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-004:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-006:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-005:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : 9.3
v3 : 7.8

23 Dec 2021, 20:15

Type Values Removed Values Added
References
  • (MISC) https://support.apple.com/en-us/HT212980 -
  • (MISC) https://support.apple.com/en-us/HT212981 -
  • (MISC) https://support.apple.com/en-us/HT212976 -
  • (MISC) https://support.apple.com/en-us/HT212975 -
  • (MISC) https://support.apple.com/en-us/HT212979 -
  • (MISC) https://support.apple.com/en-us/HT212978 -
Summary ** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by the CVE program. Notes: none. A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.6.2, tvOS 15.2, macOS Monterey 12.1, Security Update 2021-008 Catalina, iOS 15.2 and iPadOS 15.2, watchOS 8.3. A malicious application may be able to execute arbitrary code with kernel privileges.

24 Aug 2021, 19:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-08-24 19:15

Updated : 2023-12-10 13:55

NVD link : CVE-2021-30949

Mitre link : CVE-2021-30949

CVE.ORG link : CVE-2021-30949

JSON object : View

Products Affected

apple

  • mac_os_x
  • watchos
  • macos
  • ipados
  • iphone_os
CWE
CWE-787

Out-of-bounds Write