apple ios CVE-2022-42827 vulnerability in Apple Products
Published on November 1, 2022

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An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.7.1 and iPadOS 15.7.1, iOS 16.1 and iPadOS 16. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited..

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Known Exploited Vulnerability

This Apple iOS and iPadOS Out-of-Bounds Write Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Apple iOS and iPadOS kernel contain an out-of-bounds write vulnerability which can allow an application to perform code execution with kernel privileges.

The following remediation steps are recommended / required by November 15, 2022: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2022-42827 can be exploited with local system access, requires user interaction. This vulnerability is considered to have a low attack complexity. It has an exploitability score of 1.8 out of four. The potential impact of an exploit of this vulnerability is considered to be very high.

What is a Memory Corruption Vulnerability?

The software writes data past the end, or before the beginning, of the intended buffer. Typically, this can result in corruption of data, a crash, or code execution. The software may modify an index or perform pointer arithmetic that references a memory location that is outside of the boundaries of the buffer. A subsequent write operation then produces undefined or unexpected results.

CVE-2022-42827 has been classified to as a Memory Corruption vulnerability or weakness.


Products Associated with CVE-2022-42827

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What versions are vulnerable to CVE-2022-42827?