Heap-based buffer overflow in macOS - CVE-2018-4394
Published: October 31, 2018
Vulnerability identifier: #VU15628
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-4394
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause DoS condition or execute arbitrary code on the target system.
The weakness exists due to boundary error in ICU component when handling malicious input. A remote attacker can trick the victim into processing a specially crafted string, 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
iTunes
watchOS
tvOS
Apple iOS
iTunes
How to mitigate CVE-2018-4394
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
iTunes - update to 12.9.1
watchOS - update to 5.1
tvOS - update to 12.1
Apple iOS - update to 12.1 16B92
iTunes - update to 12.9.1