Out-of-bounds read in iPadOS and Apple iOS - CVE-2021-30819
Published: September 20, 2021
Vulnerability identifier: #VU56725
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-30819
CWE-ID: CWE-125
Exploitation vector: Remote 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 condition when processing USD images within the Model I/O subsystem. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.
Affected software
iPadOS
Apple iOS
macOS
Apple iOS
macOS
How to mitigate CVE-2021-30819
Install updates from vendor's website.
iPadOS - update to 15.0 19A346
Apple iOS - update to 15.0 19A346
macOS - addressed in versions 10.14.6 18G9216, 10.15.7 19H1217, 11.6 20G165
Apple iOS - update to 15.0 19A346
macOS - addressed in versions 10.14.6 18G9216, 10.15.7 19H1217, 11.6 20G165