CVE-2021-1816

Published: Sep 8, 2021Modified: Nov 21, 2024

7.8

Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitability: 1.8 / Impact: 5.9

Source: NVD

Description

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. A malicious application may be able to execute arbitrary code with kernel privileges.

Affected (4)

Products: Apple: Ipados, Iphone Os, Tvos, Watchos

4 products

Configuration A

4 vulnerable

Vulnerable Software	Affected Versions
Apple Ipados	Before 14.5
Apple Iphone Os	Before 14.5
Apple Tvos	Before 14.5
Apple Watchos	Before 7.4

Related CWEs

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

References (6)

https://support.apple.com/en-us/HT212317

Source: product-security@apple.com

Vendor Advisory

https://support.apple.com/en-us/HT212323

Source: product-security@apple.com

Vendor Advisory

https://support.apple.com/en-us/HT212324

Source: product-security@apple.com

Vendor Advisory

https://support.apple.com/en-us/HT212317

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

https://support.apple.com/en-us/HT212323

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

https://support.apple.com/en-us/HT212324

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.