#VU53365 Buffer overflow in macOS


Published: 2021-05-19

Vulnerability identifier: #VU53365

Vulnerability risk: Medium

CVSSv3.1: 5.9 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-3849

CWE-ID: CWE-119

Exploitation vector: Local

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 within CoreBluetooth subsystem. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system but requires physical proximity.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

macOS: 10.15 19A583 - 10.15.2 19C57, 10.14 18A391 - 10.14.6 18G2022, 10.13 17A365 - 10.13.6 17G10021


External links
http://support.apple.com/en-us/HT210919


Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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


Latest bulletins with this vulnerability