| Vulnerability Name: | CVE-2021-30865 (CCN-212478) |
| Assigned: | 2021-08-24 |
| Published: | 2021-08-24 |
| Updated: | 2021-11-01 |
| Summary: | An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.6, Security Update 2021-005 Catalina. A malicious application may be able to execute arbitrary code with kernel privileges.
|
| CVSS v3 Severity: | 7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)| Exploitability Metrics: | Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required | | Scope: | Scope (S): Unchanged
| | Impact Metrics: | Confidentiality (C): High
Integrity (I): High
Availibility (A): High |
7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)| Exploitability Metrics: | Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None | | Scope: | Scope (S): Unchanged
| | Impact Metrics: | Confidentiality (C): High
Integrity (I): High
Availibility (A): High |
|
| CVSS v2 Severity: | 9.3 High (CVSS v2 Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C)| Exploitability Metrics: | Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None | | Impact Metrics: | Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete |
6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)| Exploitability Metrics: | Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
| | Impact Metrics: | Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete |
|
| Vulnerability Type: | CWE-125
|
| Vulnerability Consequences: | Gain Access |
| References: | Source: MITRE
Type: CNA
CVE-2021-30865
Source: XF
Type: UNKNOWN
apple-macos-cve202130865-code-exec(212478)
Source: CCN
Type: Apple security document HT212804
About the security content of macOS Big Sur 11.6
Source: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT212804
Source: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT212805
|
| Vulnerable Configuration: | Configuration 1:
cpe:/o:apple:mac_os_x:*:*:*:*:*:*:*:* (Version < 10.15.7)OR cpe:/o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*OR cpe:/o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:*OR cpe:/o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:*OR cpe:/o:apple:mac_os_x:10.15.7:security_update_2021-002:*:*:*:*:*:*OR cpe:/o:apple:mac_os_x:10.15.7:security_update_2021-003:*:*:*:*:*:*OR cpe:/o:apple:mac_os_x:10.15.7:security_update_2021-004:*:*:*:*:*:*OR cpe:/o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:*OR cpe:/o:apple:macos:*:*:*:*:*:*:*:* (Version >= 11.0 and < 11.6)
 Denotes that component is vulnerable |
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