#VU76353 Out-of-bounds read in Apple iOS and iPadOS - CVE-2023-32354

Vulnerability identifier: #VU76353

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-32354

CWE-ID: CWE-125

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Apple iOS
Operating systems & Components / Operating system
iPadOS
Operating systems & Components / Operating system

Vendor: Apple Inc.

Description

The vulnerability allows a local application to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in IOSurfaceAccelerator. A local application can trigger an out-of-bounds read error and read contents of kernel memory.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apple iOS: 16.0 20A362 - 16.4.1a 20E772520a

iPadOS: 16.0 20A362 - 16.4.1a 20E772520a

---

External links
https://support.apple.com/en-us/HT213757

---

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?

No. We are not aware of malware exploiting this vulnerability.