Remote code execution in Apple iOS



Published: 2022-12-13 | Updated: 2022-12-27
Risk Critical
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-42856
CWE-ID CWE-843
Exploitation vector Network
Public exploit Vulnerability #1 is being exploited in the wild.
Vulnerable software
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Apple iOS
Operating systems & Components / Operating system

Vendor Apple Inc.

Security Bulletin

This security bulletin contains one critical risk vulnerability.

1) Type Confusion

EUVDB-ID: #VU70195

Risk: Critical

CVSSv3.1:

CVE-ID: CVE-2022-42856

CWE-ID: CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')

Exploit availability: No

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Apple iOS: 16.1.1 20B101, 16.1 20B82, 16.0.1 20A371 - 16.0.3 20A392, 16.0 20A362


CPE2.3 External links

http://support.apple.com/en-us/HT213516
http://webkitgtk.org/security/WSA-2022-0011.html

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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