Memory corruption in macOS - CVE-2018-4420
Published: October 31, 2018
Vulnerability identifier: #VU15598
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-4420
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local attacker to gain elevated privileges on the target system.
The weakness exists due to boundary error in Kernel component when handling malicious input. A local attacker can run a specially crafted application, trigger memory corruption and execute arbitrary code with elevated privileges.
Successful exploitation of the vulnerability may result in system compromise.
Affected software
macOS
watchOS
tvOS
Apple iOS
watchOS
tvOS
Apple iOS
How to mitigate CVE-2018-4420
Update to version 10.14.1.
macOS - update to 10.14.1 18B75
watchOS - update to 5.1
tvOS - update to 12.1
Apple iOS - update to 12.1 16B92
watchOS - update to 5.1
tvOS - update to 12.1
Apple iOS - update to 12.1 16B92