Input validation error in macOS - CVE-2023-40400

Vulnerability identifier: #VU81165

CSH Severity: High

CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-40400

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to insufficient validation of user-supplied input in libpcap. A remote attacker can pass specially crafted input to the system and execute arbitrary code on the system.

macOS
iPadOS
Apple iOS
openEuler
Anolis OS
watchOS
tvOS
libpcap-help
libpcap-devel
libpcap-debugsource
libpcap
libpcap-debuginfo
libpcap-doc

Install updates from vendor's website.

macOS - update to 14.0 23A344
iPadOS - addressed in versions 16.6, 17.0
Apple iOS - addressed in versions 16.6 20G75, 17.0 21A326, 17.0 21A327, 17.0 21A329, 17.0 21A331
libpcap-help - update to 1.10.1-4
libpcap-devel - update to 1.10.1-4
libpcap-debugsource - update to 1.10.1-4
libpcap - update to 1.10.1-4
libpcap-debuginfo - update to 1.10.1-4
libpcap-doc - update to 1.10.4-2
libpcap-devel - update to 1.10.4-2
libpcap - update to 1.10.4-2
watchOS - update to 10.0
tvOS - update to 17.0

• https://support.apple.com/en-us/HT213940

• Multiple vulnerabilities in Apple macOS Sonoma
• Multiple vulnerabilities in Apple iOS 17 and iPadOS 17
• Multiple vulnerabilities in Apple tvOS 17
• Multiple vulnerabilities in Apple watchOS 10
• Multiple vulnerabilities in Apple iOS 16 and iPadOS 16
• openEuler update for libpcap
• Anolis OS update for libpcap