Remote code execution in Apple macOS Big Sur

1) Buffer overflow

EUVDB-ID: #VU80542

Risk: Critical

CVSSv4.0: 8.6 [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-2023-41064

CWE-ID: CWE-119 - Memory corruption

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in ImageIO subsystem. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger memory corruption 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 update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.7.9 20G1426

CPE2.3

• cpe:2.3:o:apple:macos:11.0:20A2411:*:*:*:*:*:*
• cpe:2.3:o:apple:macos:11.0.1:20B29:*:*:*:*:*:*
• cpe:2.3:o:apple:macos:11.0.1:20B50:*:*:*:*:*:*
• cpe:2.3:o:apple:macos:11.1:20C69:*:*:*:*:*:*
• cpe:2.3:o:apple:macos:11.2:20D64:*:*:*:*:*:*
• cpe:2.3:o:apple:macos:11.2.1:20D74:*:*:*:*:*:*
• cpe:2.3:o:apple:macos:11.2.1:20D75:*:*:*:*:*:*
• cpe:2.3:o:apple:macos:11.2.2:20D80:*:*:*:*:*:*
• cpe:2.3:o:apple:macos:11.2.3:20D91:*:*:*:*:*:*
• cpe:2.3:o:apple:macos:11.3:20E232:*:*:*:*:*:*

External links

https://support.apple.com/en-us/HT213915

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.