Information disclosure in Apple M1 chips

1) Information disclosure

EUVDB-ID: #VU53607

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-30747

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

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

The vulnerability exists due to a flaw in the design of the Apple Silicon "M1" chip which allows any two applications running under an OS to covertly exchange data between them, without using memory, sockets, files, or any other normal operating system features. A local attacker can gain unauthorized access to sensitive information on the system.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Apple M1: All versions

CPE2.3

• cpe:2.3:h:apple:apple_m1:*:*:*:*:*:*:*:*

External links

https://youtu.be/hLQKrEh6w7M
https://m1racles.com/

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.