Buffer overflow in macOS - CVE-2021-30712
Published: May 24, 2021 / Updated: June 3, 2021
Vulnerability identifier: #VU53490
CSH Severity: High
CVSS v4: 8.7 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-30712
CWE-ID: CWE-119
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
macOS
How to mitigate CVE-2021-30712
Install updates from vendor's website.
macOS - addressed in versions 11.4 20F71, 10.14.6 18G9216, 10.15.7 19H1217