#VU57751 Use-after-free in Apple iOS and iPadOS - CVE-2021-30902

Vulnerability identifier: #VU57751

Vulnerability risk: Low

CVSSv4.0: 2 [CVSS:4.0/AV:P/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-30902

CWE-ID: CWE-416

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 a local attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in the Voice Control subsystem. A local attacker with physical access to device can trigger a use-after-free error and compromise the affected device.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apple iOS: 15.0 19A346 - 15.0.2 19A404

iPadOS: 15.0 19A346 - 15.0.2 19A404

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External links
https://support.apple.com/en-us/HT212867

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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.