CVE-2022-42801 in macOS
Summary
by MITRE • 11/02/2022
A logic issue was addressed with improved checks. This issue is fixed in tvOS 16.1, iOS 15.7.1 and iPadOS 15.7.1, macOS Ventura 13, watchOS 9.1, iOS 16.1 and iPadOS 16, macOS Monterey 12.6.1. An app may be able to execute arbitrary code with kernel privileges.
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Analysis
by VulDB Data Team • 04/22/2025
This vulnerability represents a critical logic flaw in Apple's operating systems that could potentially allow malicious applications to escalate privileges and execute arbitrary code with kernel-level access. The issue was addressed through improved validation checks within the system's security mechanisms, highlighting a fundamental weakness in the privilege management architecture. The vulnerability affects multiple Apple platforms including tvOS, iOS, iPadOS, macOS, and watchOS, demonstrating the widespread nature of the underlying logic issue. The fix was implemented across several version releases, indicating the severity of the flaw and the need for comprehensive patching across the entire Apple ecosystem. This type of vulnerability falls under the category of privilege escalation flaws that can severely compromise system integrity and user data security.
The technical nature of this vulnerability stems from insufficient validation checks within the kernel's privilege handling mechanisms, creating an opportunity for malicious applications to bypass normal security boundaries. According to CWE classification, this would likely map to CWE-284: Improper Access Control, which specifically addresses inadequate access control mechanisms that allow unauthorized access to resources. The vulnerability's impact is particularly severe because it enables arbitrary code execution with kernel privileges, which represents the highest level of system access possible. Attackers could potentially leverage this flaw to gain complete control over affected devices, install persistent backdoors, or extract sensitive information from the system's memory and storage. The fact that this issue was patched across multiple platforms including macOS Ventura, iOS 16, and watchOS 9.1 demonstrates the complexity of the underlying system architecture and the need for coordinated security updates.
The operational impact of CVE-2022-42801 extends far beyond simple privilege escalation, as it creates a potential attack vector for sophisticated malware and advanced persistent threats. From an ATT&CK framework perspective, this vulnerability would map to techniques such as T1068: Exploitation for Privilege Escalation and T1543: Create or Modify System Process, as it allows adversaries to execute code with elevated privileges. The vulnerability's presence in multiple Apple platforms also increases the attack surface significantly, as it could be exploited across various device types including smartphones, tablets, desktop computers, and smart TVs. Organizations and individuals using affected versions of Apple's operating systems face substantial risk, as this type of vulnerability could enable attackers to establish persistent access to devices and potentially compromise entire networks. The patching process requires careful coordination across all affected platforms, as the vulnerability could be exploited by attackers who have already gained initial access to a device through other means.
Mitigation strategies for this vulnerability require immediate deployment of the available security patches across all affected Apple platforms. System administrators should prioritize updating all devices to the latest versions, including tvOS 16.1, iOS 15.7.1, iPadOS 15.7.1, macOS Ventura 13, watchOS 9.1, iOS 16, and iPadOS 16. The vulnerability's nature suggests that organizations should implement additional monitoring for suspicious processes and unusual system behavior that could indicate exploitation attempts. Security teams should also consider implementing device management policies that enforce automatic updates and maintain inventory of all Apple devices within their networks. Regular security assessments should be conducted to identify any potential exploitation attempts, particularly focusing on kernel-level activities and privilege escalation events. The vulnerability's classification as a logic issue means that traditional endpoint protection solutions may not be sufficient, requiring more comprehensive security monitoring that can detect anomalous kernel behavior and unauthorized privilege elevation attempts. Organizations should also consider implementing network segmentation and access controls to limit the potential damage if any devices remain unpatched or if exploitation occurs despite patches.