#VU9558 Improper input validation in macOS - CVE-2017-13869

Vulnerability identifier: #VU9558

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-2017-13869

CWE-ID: CWE-20

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 obtain potentially sensitive information on the target system.

The weakness exists due to improper input validation in the kernel component. A local attacker can use a specially crafted application, trigger input validation flaw and read arbitrary files.

Mitigation
Update to version 10.13.2.

Vulnerable software versions

macOS: 10.11.6 - 10.13.1 17B48

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External links
https://support.apple.com/en-us/HT208331

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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.