Memory corruption in macOS - CVE-2018-4331

 

Memory corruption in macOS - CVE-2018-4331

Published: October 31, 2018


Vulnerability identifier: #VU15591
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-2018-4331
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: Public exploit is available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to boundary error in Heimdal component when handling malicious input. A remote attacker can trick the victim into processing a specially crafted input, trigger memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of the vulnerability may result in system compromise.


Affected software

macOS

How to mitigate CVE-2018-4331

Update to version 10.14.1.

macOS - update to 10.14.1 18B75

Links to Public Exploits and PoC-codes

External References

Related Security Bulletins