CVE-2008-4237 in Mac OS X
Summary
by MITRE
Managed Client in Apple Mac OS X before 10.5.6 sometimes misidentifies a system when installing per-host configuration settings, which allows context-dependent attackers to have an unspecified impact by leveraging unintended settings, as demonstrated by the screen saver lock setting.
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Analysis
by VulDB Data Team • 08/22/2019
The vulnerability described in CVE-2008-4237 represents a significant configuration management flaw within Apple Mac OS X operating systems prior to version 10.5.6. This issue specifically affects the Managed Client component responsible for handling per-host configuration settings during system installation processes. The flaw manifests as a misidentification mechanism that can incorrectly assign system attributes, leading to improper configuration application. From a cybersecurity perspective, this vulnerability falls under the category of configuration mismanagement and privilege escalation risks, as it allows unauthorized parties to influence system behavior through unintended configuration settings.
The technical nature of this vulnerability stems from improper system identification logic within the Managed Client framework. When installing per-host configuration settings, the system fails to accurately verify the target system's identity, resulting in configuration data being applied to incorrect systems or contexts. This misidentification can occur during the initial setup phase or when applying system-wide preferences. The vulnerability is particularly concerning because it operates at a level that affects core system components, specifically demonstrating its impact through screen saver lock settings which represent a critical security control. The unspecified impact mentioned in the description indicates that this misidentification could potentially affect multiple system functions beyond just screen saver configurations, making the scope of potential exploitation broader than initially apparent.
The operational impact of CVE-2008-4237 extends beyond simple configuration errors to encompass potential security breaches and system compromise scenarios. When system settings are incorrectly applied due to misidentification, attackers can leverage this to gain unintended access to system controls or modify security parameters in ways that were not intended by system administrators. The screen saver lock setting demonstration illustrates how attackers could potentially bypass security measures that rely on proper system identification and configuration. This vulnerability directly relates to CWE-284, which addresses improper access control, and can be mapped to ATT&CK technique T1546.001 for registry run keys and startup folder modifications, as the misconfigured settings could enable persistence mechanisms. The impact is particularly severe in enterprise environments where managed client configurations are commonly used to enforce security policies across multiple systems.
Mitigation strategies for CVE-2008-4237 should focus on immediate system updates to Mac OS X 10.5.6 or later versions where this vulnerability has been addressed. System administrators should conduct comprehensive audits of existing Managed Client configurations to identify any improperly applied settings that may have resulted from the misidentification issue. Network segmentation and access controls should be reviewed to minimize potential exploitation opportunities, particularly focusing on the management interfaces used for configuration deployment. Additionally, implementing robust configuration management practices including regular verification of applied settings and maintaining detailed documentation of system identification processes can help prevent similar issues. Organizations should also consider deploying monitoring solutions that can detect anomalous configuration changes or unexpected system behavior that might indicate exploitation attempts. The vulnerability demonstrates the critical importance of proper system identification and configuration management in maintaining overall security posture, particularly in environments where centralized management systems are extensively used for security policy enforcement.