Out-of-bounds read in macOS - CVE-2020-3847
Published: May 19, 2021
Vulnerability identifier: #VU53367
CSH Severity: Low
CVSS v4: 2.4 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-3847
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
macOS
How to mitigate CVE-2020-3847
Install updates from vendor's website.
macOS - addressed in versions 10.13.6 17G11023, 10.14.6 18G3020, 10.15.3 19D76