Vulnerability identifier: #VU9566

Vulnerability risk: Low

CVSSv3.1: 8.2 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C]

CVE-ID: CVE-2017-13861

CWE-ID: CWE-119

Exploitation vector: Local

Exploit availability: Yes

Vulnerable software:
Apple iOS
Operating systems & Components / Operating system

Vendor: Apple Inc.

Description
The vulnerability allows a local attacker to execute arbitrary code o the target system.

The weakness exists due to boundary error in IOSurface. A local attacker can use a specially crafted application, trigger memory corruption and execute arbitrary code with kernel privileges.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation
Update to version 11.2.

Vulnerable software versions

Apple iOS: 10.3 - 10.3.3, 11.1 - 11.1.1, 11.0.0 - 11.0.3

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External links
http://support.apple.com/en-us/HT208334

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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. However, a fully functional exploit for this vulnerability is available.