apple ipados CVE-2023-41064 vulnerability in Apple Products
Published on September 7, 2023

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A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 16.6.1 and iPadOS 16.6.1, macOS Monterey 12.6.9, macOS Ventura 13.5.2, iOS 15.7.9 and iPadOS 15.7.9, macOS Big Sur 11.7.10. Processing a maliciously crafted image may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

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Known Exploited Vulnerability

This Apple iOS, iPadOS, and macOS ImageIO Buffer Overflow Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Apple iOS, iPadOS, and macOS contain a buffer overflow vulnerability in ImageIO when processing a maliciously crafted image, which may lead to code execution. This vulnerability was chained with CVE-2023-41061.

The following remediation steps are recommended / required by October 2, 2023: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Vulnerability Analysis

CVE-2023-41064 is exploitable 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 Classic Buffer Overflow Vulnerability?

The program copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. A buffer overflow condition exists when a program attempts to put more data in a buffer than it can hold, or when a program attempts to put data in a memory area outside of the boundaries of a buffer. The simplest type of error, and the most common cause of buffer overflows, is the "classic" case in which the program copies the buffer without restricting how much is copied. Other variants exist, but the existence of a classic overflow strongly suggests that the programmer is not considering even the most basic of security protections.

CVE-2023-41064 has been classified to as a Classic Buffer Overflow vulnerability or weakness.

Products Associated with CVE-2023-41064

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What versions are vulnerable to CVE-2023-41064?