#VU17174 Out-of-bounds read in macOS - CVE-2019-6220

Vulnerability identifier: #VU17174

Vulnerability risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-6220

CWE-ID: CWE-125

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
macOS
Operating systems & Components / Operating system

Vendor: Apple Inc.

Description
The vulnerability allows a local authenticated attacker to obtain potentially sensitive information.

The weakness exists due to out-of-bounds read in the QuartzCore component when handling malicious input. A local authenticated attacker can run a specially crafted application and rear restricted memory.

Mitigation
Update to version 10.14.3.

Vulnerable software versions

macOS: 10.12.6 16G29 - 10.14.2 18C54

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External links
https://support.apple.com/en-us/HT209446

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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.