#VU53367 Out-of-bounds read in macOS


Published: 2021-05-19

Vulnerability identifier: #VU53367

Vulnerability risk: Low

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

CVE-ID: CVE-2020-3847

CWE-ID: CWE-125

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 gain access to potentially sensitive information.

The vulnerability exists due to a boundary error within CoreBluetooth subsystem. A remote attacker can trigger out-of-bounds read error and read contents of memory on the system.

Successful exploitation of this vulnerability 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