Vulnerability identifier: #VU53783

Vulnerability risk: Low

CVSSv3.1: 3.7 [CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1794

CWE-ID: CWE-125

Exploitation vector: Local

Exploit availability: No

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

Vendor: Apple Inc.

Description

The vulnerability allows an attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in Bluetooth subsystem. An attacker with physical proximity to the device can send specially crafted packets to the system, trigger out-of-bounds read error and read contents of memory on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apple iOS: 14.3 18C66, 14.2 18B92 - 14.2.1 18B121, 14.1 18A8395, 14.0 18A373 - 14.0.1 18A393

iPadOS: 14.0 18A373 - 14.3 18C66

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External links
http://support.apple.com/en-us/HT212146

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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.