CVE-2003-1140 in Musicqueue
Summary
by MITRE
Buffer overflow in Musicqueue 1.2.0 allows local users to execute arbitrary code via a long language variable in the configuration file.
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Analysis
by VulDB Data Team • 11/22/2024
The vulnerability identified as CVE-2003-1140 represents a critical buffer overflow flaw within Musicqueue version 1.2.0 that exposes the software to local privilege escalation attacks. This issue stems from inadequate input validation mechanisms within the application's configuration file processing routine, specifically when handling the language variable parameter. The flaw manifests when a local attacker crafts a malicious configuration file containing an excessively long language variable value that exceeds the allocated buffer space, leading to memory corruption that can be exploited to execute arbitrary code with the privileges of the affected application.
From a technical perspective this vulnerability aligns with CWE-121, which categorizes buffer overflow conditions where insufficient bounds checking allows attackers to overwrite adjacent memory locations. The flaw operates through stack-based buffer overflow mechanisms where the language variable is likely stored in a fixed-size buffer without proper length validation before copying data. Attackers can manipulate this parameter to overwrite return addresses, function pointers, or other critical memory segments, potentially enabling code execution. The local nature of this vulnerability means that exploitation requires prior access to the target system, but once achieved, it can provide attackers with elevated privileges to compromise the entire system.
The operational impact of CVE-2003-1140 extends beyond simple code execution as it represents a fundamental security weakness in the application's memory management practices. Local users who can modify configuration files gain the ability to escalate privileges and potentially access sensitive data or system resources. This vulnerability directly impacts the principle of least privilege and can serve as a stepping stone for more sophisticated attacks within a compromised environment. The vulnerability's exploitation aligns with ATT&CK technique T1068, which covers local privilege escalation through software vulnerabilities, and T1059, covering command and scripting interpreter usage for execution.
Mitigation strategies for this vulnerability should focus on immediate patching of the Musicqueue application to version 1.2.1 or later, which contains the necessary buffer overflow protections. System administrators should implement proper input validation and bounds checking mechanisms within the application's configuration file parser to prevent oversized language variable values from being processed. Additionally, privilege separation techniques should be employed to ensure that configuration file modifications occur with minimal system privileges, reducing the potential impact of successful exploitation. Regular security assessments should include code reviews focusing on memory management practices and buffer handling routines to identify similar vulnerabilities in other applications. The vulnerability also underscores the importance of adhering to secure coding practices such as those recommended in the CERT C Secure Coding Standard, particularly guidelines related to buffer overflow prevention and input validation.