Out-of-bounds write in watchOS - CVE-2020-27916
Published: November 6, 2020
Vulnerability identifier: #VU48177
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-27916
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input within the Audio subsystem when processing media files. A remote attacker can create a specially crafted media file, trick the victim into opening it using the affected software, trigger out-of-bounds write and execute arbitrary code on the target system.
Affected software
watchOS
macOS
tvOS
iPadOS
Apple iOS
macOS
tvOS
iPadOS
Apple iOS
How to mitigate CVE-2020-27916
Install updates from vendor's website.
watchOS - update to 7.1 18R590
tvOS - update to 14.2 18K57
iPadOS - update to 14.2 18B92
Apple iOS - update to 14.2 18B92
tvOS - update to 14.2 18K57
iPadOS - update to 14.2 18B92
Apple iOS - update to 14.2 18B92