Main Vulnerability Database Vulnerabilities #VU13153

Buffer overflow in macOS - CVE-2018-4243

Published: June 4, 2018 / Updated: October 9, 2021

Vulnerability identifier: #VU13153

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-2018-4243

CWE-ID: CWE-120

Exploitation vector: Local access

Exploit availability: The vulnerability is being exploited in the wild

Vulnerability details

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The vulnerability exists due to buffer overflow in the the kernel component. A local attacker can run a specially crafted application, trigger memory corruption and execute arbitrary code with kernel privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Affected software

macOS
watchOS
tvOS
Apple iOS
IBM Watson Explorer Deep Analytics Edition Analytical Components

How to mitigate CVE-2018-4243

Update to version 10.13.4.

IBM Watson Explorer Deep Analytics Edition Analytical Components - update to 12.0.3.16

Links to Public Exploits and PoC-codes

Exploit #1957 - empty_list (empty_list - exploit for p0 issue 1564 (CVE-2018-4243) iOS 11.0 - 11.3.1 kernel r/w) (March 18, 2020)

External References

https://support.apple.com/en-us/HT208849