Apple Addresses Integer Overflow Vulnerability in watchOS, Other Products
CVE-2023-32434

7.8HIGH

Key Information:

Vendor: Apple
Status: macOS; iOS and iPadOS; watchOS
Vendor: CVE Published:; 23 June 2023

Badges

📈 Trended📈 Score: 3,070💰 Ransomware👾 Exploit Exists🦅 CISA Reported📰 News Worthy

What is CVE-2023-32434?

CVE-2023-32434 is a vulnerability found in various Apple products, including watchOS and other operating systems. It involves an integer overflow that can allow applications to execute arbitrary code with kernel privileges. This can pose serious risks to organizations, as it may lead to unauthorized access to sensitive data, disruption of services, and overall compromise of system integrity, particularly in environments that rely on Apple technologies.

Technical Details

The vulnerability stems from inadequate input validation, resulting in an integer overflow condition. This flaw has been addressed in multiple updates across various Apple platforms, including watchOS 9.5.2, macOS Big Sur 11.7.8, iOS 15.7.7, and others. The issue is particularly critical given that it has been reported to have been actively exploited against certain versions of iOS before the fix was implemented. A successful exploitation may give attackers elevated privileges, thereby increasing the potential impact of their malicious activities.

Potential Impact of CVE-2023-32434

Arbitrary Code Execution: Exploitation of this vulnerability can enable attackers to run arbitrary code at the kernel level, effectively gaining control over affected systems and potentially allowing them to manipulate sensitive data and system configurations.
Unauthorized Access: With the ability to execute code with elevated privileges, attackers can compromise user accounts, access protected resources, and leak confidential information, leading to serious data breaches.
Increased Ransomware Threat: The active exploitation of this vulnerability by threat actors, including ransomware groups, highlights the critical need for swift patching and response, as it may facilitate ransomware deployment, further exacerbating risks to organizational security and operational continuity.

CISA Reported

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace as recent news articles suggest the vulnerability is being used by ransomware groups.

The CISA's recommendation is: Apply updates per vendor instructions.

Affected Version(s)

iOS and iPadOS < 15.7

iOS and iPadOS < 16.5

macOS < 12.6

News Articles

CN-SEC

CVE-2023-32434

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