Out-of-bounds write in iPadOS and Apple iOS - CVE-2020-27948
Published: December 15, 2020
Vulnerability identifier: #VU48984
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-2020-27948
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 media files within the CoreAudio component. A remote attacker can create a specially crafted media file, trick the victim into opening it, trigger out-of-bounds write and execute arbitrary code on the target system.
Affected software
iPadOS
Apple iOS
watchOS
macOS
tvOS
Apple iOS
watchOS
macOS
tvOS
How to mitigate CVE-2020-27948
Install updates from vendor's website.
iPadOS - update to 14.3 18C66
Apple iOS - update to 14.3 18C66
watchOS - update to 7.2 18S564
macOS - addressed in versions 10.14.6 18G7016, 10.15.7 19H114, 11.1 20C69
tvOS - update to 14.3 18K561
Apple iOS - update to 14.3 18C66
watchOS - update to 7.2 18S564
macOS - addressed in versions 10.14.6 18G7016, 10.15.7 19H114, 11.1 20C69
tvOS - update to 14.3 18K561