CVE-2004-0428 in Mac OS X
Summary
by MITRE
Unknown vulnerability in CoreFoundation in Mac OS X 10.3.3 and Mac OS X 10.3.3 Server, related to "the handling of an environment variable," has unknown attack vectors and unknown impact.
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Analysis
by VulDB Data Team • 06/29/2021
The vulnerability identified as CVE-2004-0428 represents a security flaw within CoreFoundation, a fundamental framework in Apple's Mac OS X operating system that provides essential services for application development and system operations. This issue specifically manifests in Mac OS X version 10.3.3 and its server variant, indicating a critical weakness in the system's environment variable processing mechanisms that could potentially affect a significant portion of the user base during that era. The vulnerability's classification as "unknown attack vectors and unknown impact" suggests that the precise nature of the exploitation methods and consequences remained unclear at the time of reporting, creating uncertainty for security professionals and system administrators tasked with assessing risk.
CoreFoundation serves as a foundational component that manages system resources, handles data types, and provides essential services for both system-level operations and application development within the Mac OS X environment. The framework's interaction with environment variables represents a critical interface point where system security can be compromised, as environment variables are commonly used to configure application behavior, specify system paths, and control various operational parameters. When the handling of these variables contains vulnerabilities, attackers may exploit them to manipulate system behavior, potentially gaining unauthorized access to system resources or executing malicious code within the operating system's context. The weakness in CoreFoundation's environment variable processing likely stems from inadequate input validation or improper memory management when parsing these variables, creating potential entry points for attackers to manipulate system operations.
The operational impact of this vulnerability extends beyond simple system instability, as environment variable manipulation can potentially allow attackers to escalate privileges, bypass security controls, or disrupt normal system operations. Attackers might exploit the flaw by crafting malicious environment variables that, when processed by CoreFoundation, trigger unexpected behavior in system applications or services. This could result in unauthorized code execution, data corruption, or complete system compromise, depending on how the vulnerability manifests within the specific implementation. The unknown nature of both attack vectors and impact means that security teams had to maintain heightened vigilance and implement defensive measures without complete knowledge of potential exploitation techniques, making this vulnerability particularly concerning for enterprise environments where system stability and security are paramount.
Security professionals addressing this vulnerability should implement comprehensive monitoring of environment variable usage across system applications and services, while also considering the broader implications for system hardening and security configuration. The vulnerability's location within CoreFoundation suggests that mitigation efforts should focus on updating to patched versions of Mac OS X, as well as implementing additional controls to limit environment variable manipulation by untrusted applications. Organizations should also consider implementing application whitelisting policies and enhanced system monitoring to detect anomalous environment variable usage patterns that might indicate exploitation attempts. This vulnerability aligns with common attack patterns found in the attack mitigation frameworks, particularly those addressing privilege escalation and system integrity threats, and represents a classic example of how fundamental system libraries can contain security flaws that affect entire operating system ecosystems. The lack of specific details regarding attack vectors and impact highlights the importance of proactive security measures and regular system updates to protect against unknown vulnerabilities that may later be exploited by threat actors.