Vulnerability identifier: #VU53490
Vulnerability risk: High
CVSSv3.1: 7.9 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-119
Exploitation vector: Local network
Exploit availability: No
Vulnerable software:
macOS
Operating systems & Components /
Operating system
Vendor: Apple Inc.
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in smbx. A remote attacker on the local network can send specially crafted data to the application, trigger memory corruption and execute arbitrary code on the system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
macOS: 11.0 20A2411 - 11.3.1 20E241
External links
http://support.apple.com/en-us/HT212529
http://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1258
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.