Vulnerability Details : CVE-2018-4427
A memory corruption issue was addressed with improved memory handling. This issue affected versions prior to: iOS 12.1, watchOS 5.1.2, tvOS 12.1.1, macOS High Sierra 10.13.6 Security Update 2018-003 High Sierra, macOS Sierra 10.12.6 Security Update 2018-006.
Vulnerability category: OverflowMemory Corruption
Exploit prediction scoring system (EPSS) score for CVE-2018-4427
Probability of exploitation activity in the next 30 days: 0.16%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 51 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2018-4427
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
9.3
|
HIGH | AV:N/AC:M/Au:N/C:C/I:C/A:C |
8.6
|
10.0
|
NIST |
|
7.8
|
HIGH | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2018-4427
-
The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-4427
-
https://support.apple.com/kb/HT209341
About the security content of macOS Mojave 10.14.2, Security Update 2018-003 High Sierra, Security Update 2018-006 Sierra - Apple SupportVendor Advisory
-
https://support.apple.com/kb/HT209342
About the security content of tvOS 12.1.1 - Apple SupportVendor Advisory
-
https://support.apple.com/kb/HT209343
About the security content of watchOS 5.1.2 - Apple SupportVendor Advisory
-
https://support.apple.com/kb/HT209192
About the security content of iOS 12.1 - Apple SupportVendor Advisory
Products affected by CVE-2018-4427
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*