Vulnerability identifier: #VU13428

Vulnerability risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:U/RC:C]

CVE-ID: N/A

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

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

Vendor: Apple Inc.

Description

The vulnerability allows a physically local attacker to conduct brute-force attack on the target system.

The vulnerability exists due to insufficient input validation. A physically local attacker can send specially crafted data via a physically connected keyboard, conduct brute force password guessing attacks, bypass the failed passcode attempt limits and conduct further attacks.

Mitigation
Cybersecurity Help is currently unaware of any solutions addressing the vulnerability.

Vulnerable software versions

Apple iOS: 11.4, 11.3 - 11.3.1, 11.1 - 11.1.2, 11.2 - 11.2.6, 11.0.0 - 11.0.3

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External links
http://twitter.com/hackerfantastic/status/1010240042990596096

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Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

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.