Buffer overflow in Apple iOS and iPadOS - CVE-2021-30820

 

Buffer overflow in Apple iOS and iPadOS - CVE-2021-30820

Published: September 21, 2021


Vulnerability identifier: #VU56749
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-30820
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Apple Inc.
Affected software:
Apple iOS
iPadOS

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the Bluetooth subsystem. A remote attacker with physical proximity to device can trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2021-30820

Install updates from vendor's website.

Sources