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

 

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

Published: October 27, 2021


Vulnerability identifier: #VU57751
CSH Severity: Low
CVSS v4: 5.4 [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]
CVE-ID: CVE-2021-30902
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

Apple iOS
iPadOS

How to mitigate CVE-2021-30902

Install updates from vendor's website.

Apple iOS - addressed in versions 15.1 19B74, 14.8.1 18H107
iPadOS - addressed in versions 15.1 19B74, 15.1 19B75, 14.8.1 18H107

External References

Related Security Bulletins