#VU53506 Race condition in Apple iOS and iPadOS


Published: 2021-05-25

Vulnerability identifier: #VU53506

Vulnerability risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30714

CWE-ID: CWE-362

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 application to escalate privileges on the system.

The vulnerability exists due to a race condition in AVEVideoEncoder. A local application can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apple iOS: 14.5 18E199 - 14.5.1 18E212, 14.4 18D52 - 14.4.2 18D70, 14.2 18B92 - 14.2.1 18B121, 14.0 18A373 - 14.0.1 18A393

iPadOS: 14.0 18A373 - 14.5.1 18E212


External links
http://support.apple.com/en-us/HT212528


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability