Vulnerability identifier: #VU6586

Vulnerability risk: High

CVSSv3.1: 8.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2017-2524

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: Yes

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

Vendor: Apple Inc.

Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error in the TextInput component when parsing malicious content. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may allow an attacker to gain complete control over affected 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 non-authenticated attacker 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.