Vulnerability identifier: #VU9561

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-13826

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
macOS
Operating systems & Components / Operating system

Vendor: Apple Inc.

Description
The vulnerability allows a remote authenticated attacker to obtain potentially sensitive information on the target system.

The weakness exists due to a permissions error in the Screen Sharing Server component. A remote attacker with screen sharing access can trigger a permissions error and read files with root privileges.

Mitigation
Update to version 10.13.2.

Vulnerable software versions

macOS: 10.13.1 17B48, 10.12.6 16G29

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

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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