Privilege escalation in Apple iOS and iPadOS



Published: 2022-04-01
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-22675
CWE-ID CWE-787
Exploitation vector Local
Public exploit This vulnerability is being exploited in the wild.
Vulnerable software
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iPadOS
Operating systems & Components / Operating system

Apple iOS
Operating systems & Components / Operating system

Vendor Apple Inc.

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Out-of-bounds write

EUVDB-ID: #VU61773

Risk: High

CVSSv3.1: 8.4 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2022-22675

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within the AppleAVD subsystem. A local user can run a specially crafted program to trigger an out-of-bounds write and execute arbitrary code with kernel privileges.

Note, the vulnerability is being actively exploited in the wild.

Mitigation

Install update from vendor's website.

Vulnerable software versions

iPadOS: 15.0 19A346 - 15.4 19E241

Apple iOS: 15.0 19A346 - 15.4 19E241

External links

http://support.apple.com/en-us/HT213219


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.



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