Vulnerability Details : CVE-2018-4438
A logic issue existed resulting in memory corruption. This was addressed with improved state management. This issue affected versions prior to iOS 12.1.1, tvOS 12.1.1, watchOS 5.1.2, Safari 12.0.2, iTunes 12.9.2 for Windows, iCloud for Windows 7.9.
Vulnerability category: OverflowMemory Corruption
Products affected by CVE-2018-4438
- cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
- cpe:2.3:a:apple:itunes:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
- cpe:2.3:a:apple:icloud:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-4438
43.90%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 97 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-4438
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
8.8
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2018-4438
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-4438
-
https://support.apple.com/kb/HT209345
About the security content of iTunes 12.9.2 for Windows - Apple SupportVendor Advisory
-
https://support.apple.com/kb/HT209344
About the security content of Safari 12.0.2 - 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/HT209340
About the security content of iOS 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/HT209346
About the security content of iCloud for Windows 7.9 - Apple SupportVendor Advisory
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