#VU15518 Memory corruption in macOS - CVE-2018-4336

Vulnerability identifier: #VU15518

Vulnerability risk: Low

CVSSv4.0: 5.9 [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/E:U/U:Clear]

CVE-ID: CVE-2018-4336

CWE-ID: CWE-119

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
macOS
Operating systems & Components / Operating system

Vendor: Apple Inc.

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

The weakness exists due to improper sandbox restrictions when handling malicious input. A local attacker can run a specially crafted application and execute arbitrary code with kernel privileges.

Mitigation
Update to version 10.14.

Vulnerable software versions

macOS: 10.13 17A365 - 10.13.6 17G66

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External links
https://support.apple.com/en-us/HT209139

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.