CVE-2005-0712 in Mac OS X
Summary
by MITRE
Mac OS X before 10.3.8 users world-writable permissions for certain directories, which may allow local users to gain privileges, possibly via the receipt cache or ColorSync profiles.
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Analysis
by VulDB Data Team • 07/01/2019
The vulnerability described in CVE-2005-0712 represents a significant privilege escalation risk within Mac OS X systems prior to version 10.3.8. This issue stems from improper directory permissions that create opportunities for local attackers to exploit system weaknesses and elevate their access privileges. The affected directories contain critical system components that, when configured with world-writable permissions, provide unauthorized users with the ability to modify system resources that should remain protected.
The technical flaw manifests through the configuration of specific system directories that are intended to contain sensitive operational data but are instead accessible for writing by all users on the system. This misconfiguration allows local users to manipulate the receipt cache and ColorSync profiles, which are essential components for system functionality and user experience. The receipt cache stores information about installed applications and system updates, while ColorSync profiles manage color calibration and display settings across different devices and applications.
From an operational perspective, this vulnerability creates a dangerous condition where any local user can potentially modify system-critical files without proper authentication or authorization. The receipt cache manipulation could allow attackers to install malicious software or modify existing applications, while ColorSync profile modifications might enable color-based attacks or system instability. The impact extends beyond simple privilege escalation as these modifications can compromise system integrity and potentially provide attackers with persistent access to the compromised system.
The vulnerability aligns with CWE-732, which specifically addresses inadequate permissions for critical system resources, and represents a classic example of insecure default configurations that can be exploited by attackers with minimal privileges. This issue falls under the ATT&CK technique T1068, which covers 'Local Privilege Escalation', and demonstrates how improper file permissions can create attack vectors for lateral movement and persistent access within compromised systems. The weakness creates a pathway for attackers to bypass normal security controls and establish more significant footholds within the operating system environment.
Organizations should implement immediate mitigations including updating to Mac OS X 10.3.8 or later versions where these permission issues have been resolved. System administrators should conduct thorough permission audits to identify and correct any remaining world-writable directories that could present similar vulnerabilities. Additional protective measures include implementing proper access controls, monitoring for unauthorized modifications to system directories, and ensuring that all system components maintain appropriate permission settings to prevent unauthorized modifications that could compromise system security and integrity.