Buffer overflow in iPadOS and Apple iOS - CVE-2021-30837
Published: September 20, 2021
Vulnerability identifier: #VU56714
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-30837
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to a boundary error within the Accessory Manager. A local application can trigger excessive memory consumption and execute arbitrary code with kernel privileges.
Affected software
iPadOS
Apple iOS
watchOS
tvOS
Apple iOS
watchOS
tvOS
How to mitigate CVE-2021-30837
Install updates from vendor's website.
iPadOS - update to 15.0 19A346
Apple iOS - update to 15.0 19A346
watchOS - update to 8.0 19R346
tvOS - update to 15.0 19J346
Apple iOS - update to 15.0 19A346
watchOS - update to 8.0 19R346
tvOS - update to 15.0 19J346