CVE-2008-1578 in Mac OS X
Summary
by MITRE
The sso_util program in Single Sign-On in Apple Mac OS X before 10.5.3 places passwords on the command line, which allows local users to obtain sensitive information by listing the process.
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Analysis
by VulDB Data Team • 06/29/2025
The vulnerability described in CVE-2008-1578 represents a critical security flaw in the Single Sign-On implementation of Apple Mac OS X operating systems. This issue affects versions prior to 10.5.3 and specifically targets the sso_util program responsible for handling authentication processes. The flaw manifests through improper handling of sensitive credentials during command execution, creating an exploitable condition that compromises system security. The vulnerability resides in the fundamental design approach of how authentication credentials are passed to system utilities, establishing a direct pathway for unauthorized information disclosure.
The technical implementation of this vulnerability stems from the sso_util program's practice of embedding password parameters directly into command line arguments when executing authentication processes. This approach violates established security principles for credential handling and creates an inherent exposure point within the system's security architecture. When the program executes, it places the password in a location where it becomes visible to other processes through standard system monitoring tools. The command line interface becomes a vector for credential exposure, as process listings and system monitoring utilities can easily capture and display these arguments, effectively making the password accessible to any local user with appropriate privileges or monitoring capabilities.
From an operational perspective, this vulnerability creates significant risk for Mac OS X systems running affected versions. Local users who can access process information or monitoring tools can easily extract passwords from command line arguments, potentially gaining access to sensitive authentication credentials for various system services. The impact extends beyond simple credential theft to include potential privilege escalation opportunities and broader system compromise scenarios. The vulnerability demonstrates a failure in proper input validation and credential handling practices, creating a persistent exposure window that can be exploited by malicious actors with local access to the system. This represents a classic case of insecure command line argument handling that violates fundamental security design principles.
The vulnerability aligns with CWE-255, which addresses issues related to insecure command line arguments and credential exposure through process listings. This weakness creates opportunities for attackers to leverage standard system monitoring tools to capture sensitive information without requiring sophisticated exploitation techniques. The attack surface is significantly broadened by the fact that this exposure occurs through legitimate system interfaces rather than requiring complex exploitation methods. Security practitioners should note that this vulnerability operates at the system level rather than application level, making it particularly dangerous as it affects core operating system components.
Mitigation strategies for this vulnerability should focus on immediate patch deployment to upgrade affected systems to Mac OS X 10.5.3 or later versions where the issue has been resolved. System administrators should also implement process monitoring to detect and alert on suspicious command line argument patterns, though this represents a reactive measure rather than a fundamental fix. The underlying design flaw requires complete reimplementation of how authentication credentials are handled within the sso_util program and related Single Sign-On components. Organizations should consider implementing additional access controls and monitoring mechanisms to detect unauthorized process enumeration activities that could indicate exploitation attempts. Proper credential handling practices, including avoiding command line credential passing and implementing secure credential storage mechanisms, should be enforced across all system components to prevent similar vulnerabilities from occurring in the future.