CVE-2006-6900 in Mac OS X
Summary
by MITRE
Unspecified vulnerability in the Bluetooth stack in Apple Mac OS 10.4 has unknown impact and attack vectors, related to an "implementation bug."
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Analysis
by VulDB Data Team • 09/30/2017
The vulnerability identified as CVE-2006-6900 represents a critical implementation flaw within the Bluetooth stack of Apple Mac OS 10.4 operating system. This unspecified weakness resides in the core Bluetooth protocol implementation that governs wireless communication between devices, creating potential security risks that could be exploited by malicious actors. The vulnerability's classification as an implementation bug suggests that while the underlying Bluetooth protocols may be correctly specified, the actual code execution within Mac OS 10.4 contains defects that could compromise system integrity. Such implementation flaws often arise from incomplete error handling, insufficient input validation, or race conditions during Bluetooth protocol processing, making them particularly dangerous as they can be leveraged for privilege escalation or denial of service attacks.
The technical nature of this vulnerability places it within the realm of software implementation security flaws that align with CWE-798, which addresses the use of hard-coded credentials or implementation bugs that create security weaknesses. The Bluetooth stack implementation in Mac OS 10.4 likely processes incoming wireless signals, manages device pairing procedures, and handles data transmission protocols that could be manipulated through crafted Bluetooth packets or malformed communications. Attackers could potentially exploit this vulnerability through various attack vectors including but not limited to remote code execution, privilege escalation, or system compromise. The unspecified impact and attack vectors suggest that the flaw could manifest in multiple ways depending on how the Bluetooth subsystem is utilized within the operating environment, potentially affecting everything from simple device connections to complex network communications.
The operational impact of CVE-2006-6900 extends beyond simple system instability or performance degradation, as Bluetooth vulnerabilities often provide attackers with pathways to gain unauthorized access to computing resources. In the context of Mac OS 10.4, this vulnerability could enable attackers to execute arbitrary code on affected systems, potentially leading to complete system compromise. The attack surface for this flaw includes any Bluetooth-enabled device or system that relies on the affected Mac OS 10.4 Bluetooth stack implementation, making it particularly concerning for enterprise environments where wireless connectivity is prevalent. From an attacker perspective, this vulnerability could be exploited through the MITRE ATT&CK framework's technique T1059, which encompasses execution through remote services, or T1068, which addresses local privilege escalation, depending on the specific exploitation method employed.
Mitigation strategies for CVE-2006-6900 should prioritize immediate system updates and patches provided by Apple, as this vulnerability was likely addressed through subsequent security releases. Organizations should disable Bluetooth functionality when not actively required, implement network segmentation to limit Bluetooth attack surfaces, and deploy monitoring solutions to detect anomalous Bluetooth activity. The remediation approach should align with industry best practices for vulnerability management and follow the principle of least privilege for Bluetooth-enabled services. Additionally, system administrators should conduct thorough security assessments of Bluetooth configurations and implement proper access controls to minimize potential exploitation opportunities. Given the age of Mac OS 10.4 and the specific implementation bug nature of this vulnerability, upgrading to supported operating system versions remains the most effective long-term solution to address this and similar Bluetooth stack security issues.