Zero-day vulnerability in Apple iOS

Improper authentication
CVE-2022-48618

Vulnerability details

Advisory: SB2022102746 - Multiple vulnerabilities in Apple iOS 15 and iPadOS 15

Vulnerable component: Apple iOS

CVE-ID: CVE-2022-48618

CVSSv3 score: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:H/RL:O/RC:C

CWE-ID: CWE-287 - Improper Authentication

Description:

The vulnerability allows a local application to compromise the affected system.

The vulnerability exists due to an error within the OS kernel. A local application or user with arbitrary read and write capability can bypass Pointer Authentication and compromise the affected system.

Note, the vulnerability is being actively exploited in the wild against versions of iOS released before iOS 15.7.1.

External links:

https://support.apple.com/en-us/HT213530

About zero-day vulnerabilities

Zero-day vulnerability is an undisclosed vulnerability in software that hackers can exploit to compromise computer programs, gain unauthorized access to sensitive data, penetrate networks, etc. We consider vulnerability a zero-day when there is no solution provided from software vendor and the vulnerability is being actively exploited by malicious actors.

Zero-day candidate is a potential zero-day vulnerability in software which might have been used in targeted attacks, however there is no evidence to support this suggestion.