Vulnerability identifier: #VU6587

Vulnerability risk: Low

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2017-6979

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: Yes

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

Vendor: Apple Inc.

Description
The vulnerability allows a local attacker to gain elevated privileges.

The vulnerability exists due to boundary error in the IOSurface component when parsing malicious content. A local attacker can run a specially crafted application to gain kernel privileges.

Successful exploitation of the vulnerability results in full access to the system.

Mitigation
Update to version 10.3.2.

Vulnerable software versions

Apple iOS: 10.3 - 10.3.1, 10.2 - 10.2.1, 10.1 - 10.1.1, 10.0.0 - 10.0.3, 9.2 - 9.2.1, 9.3.0 - 9.3.5, 9.1.0, 9.0.0 - 9.0.2

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External links
http://support.apple.com/en-us/HT207798

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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. However, proof of concept for this vulnerability is available.