China National Vulnerability DatabaseCNVD-2021-102843Apple macOS Big Sur Buffer Overflow Vulnerability (CNVD-2021-102843)
7.1 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
5.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:N/A:P
Apple macOS Big Sur is a mobile application app from Apple, Inc. Apple macOS Big Sur is vulnerable to a buffer overflow vulnerability that could be exploited by remote attackers to create a specially crafted font file and trick victims into opening it, triggering an out-of-bounds read error and reading the contents of system memory.
| CPE | Name | Operator | Version |
|---|---|---|---|
| applemacos big sur < | eq | 11.5 | |
| apple ios | lt | 14.7 | |
| apple watchos | lt | 7.6 | |
| apple tvos | lt | 14.7 |
Related
7.1 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
5.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:N/A:P