CVE-2021-30939

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-30939
An out-of-bounds read was addressed with improved bounds checking. 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. Processing a maliciously crafted image may lead to arbitrary code execution.

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

6.8 /10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References
Link Resource
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
https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1414
https://www.zerodayinitiative.com/advisories/ZDI-22-359/
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
https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1414
https://www.zerodayinitiative.com/advisories/ZDI-22-359/
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_2020-005:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-007:*:*:*:*:*:*
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:macos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
History

21 Nov 2024, 06:05

Type Values Removed Values Added
References () https://support.apple.com/en-us/HT212975 - () https://support.apple.com/en-us/HT212975 -
References () https://support.apple.com/en-us/HT212976 - () https://support.apple.com/en-us/HT212976 -
References () https://support.apple.com/en-us/HT212978 - () https://support.apple.com/en-us/HT212978 -
References () https://support.apple.com/en-us/HT212979 - () https://support.apple.com/en-us/HT212979 -
References () https://support.apple.com/en-us/HT212980 - () https://support.apple.com/en-us/HT212980 -
References () https://support.apple.com/en-us/HT212981 - () https://support.apple.com/en-us/HT212981 -
References () https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1414 - () https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1414 -
References () https://www.zerodayinitiative.com/advisories/ZDI-22-359/ - () https://www.zerodayinitiative.com/advisories/ZDI-22-359/ -

22 Feb 2022, 14:33

Type Values Removed Values Added
References (MISC) https://www.zerodayinitiative.com/advisories/ZDI-22-359/ - (MISC) https://www.zerodayinitiative.com/advisories/ZDI-22-359/ - Third Party Advisory, VDB Entry

16 Feb 2022, 16:15

Type Values Removed Values Added
References
  • (MISC) https://www.zerodayinitiative.com/advisories/ZDI-22-359/ -

09 Feb 2022, 21:06

Type Values Removed Values Added
References (MISC) https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1414 - (MISC) https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1414 - Exploit, Third Party Advisory

25 Jan 2022, 17:15

Type Values Removed Values Added
References
  • (MISC) https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1414 -

29 Dec 2021, 14:55

Type Values Removed Values Added
CWE CWE-125
CPE cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
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_2021-004:*:*:*:*:*:*
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_2021-003:*:*:*:*:*:*
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_2021-006:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:*:*:*:*:*:*
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-005:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-007:*:*:*:*:*:*
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:-:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : 6.8
v3 : 7.8
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
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/HT212980 - (MISC) https://support.apple.com/en-us/HT212980 - Vendor Advisory
References (MISC) https://support.apple.com/en-us/HT212975 - (MISC) https://support.apple.com/en-us/HT212975 - Vendor Advisory

23 Dec 2021, 20:15

Type Values Removed Values Added
Summary ** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by the CVE program. Notes: none. An out-of-bounds read was addressed with improved bounds checking. 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. Processing a maliciously crafted image may lead to arbitrary code execution.
References
  • (MISC) https://support.apple.com/en-us/HT212980 -
  • (MISC) https://support.apple.com/en-us/HT212979 -
  • (MISC) https://support.apple.com/en-us/HT212978 -
  • (MISC) https://support.apple.com/en-us/HT212975 -
  • (MISC) https://support.apple.com/en-us/HT212981 -
  • (MISC) https://support.apple.com/en-us/HT212976 -

24 Aug 2021, 19:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-08-24 19:15

Updated : 2024-11-21 06:05

NVD link : CVE-2021-30939

Mitre link : CVE-2021-30939

CVE.ORG link : CVE-2021-30939

JSON object : View

Products Affected

apple

  • iphone_os
  • watchos
  • mac_os_x
  • tvos
  • macos
  • ipados
CWE
CWE-125

Out-of-bounds Read