#VU70195 Type Confusion in Apple iOS - CVE-2022-42856
Published: December 13, 2022 / Updated: March 30, 2023
Vulnerability identifier: #VU70195
Vulnerability risk: Critical
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red
CVE-ID: CVE-2022-42856
CWE-ID: CWE-843
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerable software:
Apple iOS
Apple iOS
Software vendor:
Apple Inc.
Apple Inc.
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a type confusion error in WebKit. A remote attacker can trick the victim to visit a specially crafted website, trigger a type confusion error and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Note, the vulnerability is being actively exploited in the wild.
Remediation
Install updates from vendor's website.