Vulnerability CVE-2018-4456
Published: 2019-04-03

Description:
A memory corruption issue was addressed with improved input validation. This issue affected versions prior to macOS High Sierra 10.13.6, macOS Mojave 10.14.

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:M/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
9.3/10
10/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Apple -> Mac os x 

 References:
http://seclists.org/fulldisclosure/2019/May/20
https://seclists.org/bugtraq/2019/May/27
https://support.apple.com/kb/HT208937
https://support.apple.com/kb/HT209139
https://support.apple.com/kb/HT209341
https://support.apple.com/kb/HT210119
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