CVE-2005-2514 in Mac OS X
Summary
by MITRE
Buffer overflow in ping in Mac OS X 10.3.9 allows local users to execute arbitrary code.
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Analysis
by VulDB Data Team • 07/04/2025
The vulnerability identified as CVE-2005-2514 represents a critical buffer overflow flaw within the ping utility distributed with Mac OS X 10.3.9 operating system. This issue resides in the network diagnostic tool that is commonly used for testing connectivity between hosts and has been a standard component of unix-like systems for decades. The ping utility functions by sending icmp echo requests to target hosts and awaiting responses, making it a fundamental network troubleshooting tool that users and administrators rely upon for system diagnostics.
The technical flaw manifests when the ping utility processes command line arguments or network responses that exceed predetermined buffer size limitations. This particular implementation fails to properly validate input lengths before copying data into fixed-size memory buffers, creating an exploitable condition where malicious input can overwrite adjacent memory locations. The vulnerability specifically affects the local execution context, meaning that an attacker must already possess user-level access to the system to exploit this weakness, though the privilege escalation potential remains significant given that ping is typically executed with elevated privileges during network administration tasks.
The operational impact of this buffer overflow vulnerability extends beyond simple code execution, as it represents a potential pathway for privilege escalation attacks within Mac OS X environments. When local users can execute arbitrary code through this vulnerability, they gain the ability to manipulate system resources, potentially compromising the integrity of the entire operating system. The attack vector leverages the inherent trust placed in standard system utilities, making exploitation particularly dangerous as users often execute ping commands without considering the security implications. This vulnerability aligns with CWE-121, which describes heap-based buffer overflow conditions, and demonstrates how seemingly benign network diagnostic tools can become attack vectors when proper input validation mechanisms are absent.
The exploitation of this vulnerability requires local user access, which reduces the attack surface compared to remote exploits but does not eliminate the threat entirely. System administrators should consider the potential for privilege escalation attacks where local users might leverage this vulnerability to gain elevated system privileges, particularly in environments where ping is executed with root privileges or where users have access to system administration tools. Mitigation strategies should include immediate patching of the affected Mac OS X 10.3.9 systems, implementing proper input validation in all system utilities, and conducting comprehensive security audits of network diagnostic tools. Additionally, organizations should consider implementing privilege separation mechanisms and monitoring for anomalous ping command usage patterns that might indicate exploitation attempts.
Security professionals should reference ATT&CK framework techniques related to privilege escalation and command execution when analyzing potential exploitation of this vulnerability. The attack pattern aligns with techniques involving exploitation of system utilities and privilege escalation through local vulnerabilities. This vulnerability demonstrates the importance of proper input validation across all system components and highlights the need for continuous security assessments of standard utilities that may be exploited by attackers with local access. Organizations should treat this vulnerability as a critical security concern requiring immediate remediation and ongoing monitoring for similar issues in other system components. The presence of such vulnerabilities in widely used system utilities underscores the necessity for comprehensive security testing and the implementation of secure coding practices throughout the software development lifecycle.