#VU13148 Memory corruption in macOS - CVE-2018-4242

Vulnerability identifier: #VU13148

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-2018-4242

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 vulnerability exists due to boundary error in the Hypervisor 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.

Mitigation
Update to version 10.13.4.

Vulnerable software versions

macOS: 10.13.4 17E199

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

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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.