CVE-2009-0885 in Media Commands
Summary
by MITRE
Multiple heap-based buffer overflows in Media Commands 1.0 allow remote attackers to execute arbitrary code or cause a denial of service (application crash) via a long string in a (1) M3U, (2) M3l, (3) TXT, and (4) LRC playlist file.
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Analysis
by VulDB Data Team • 11/24/2024
The vulnerability identified as CVE-2009-0885 affects Media Commands 1.0, a media playlist handling component that processes various playlist file formats including M3U, M3l, TXT, and LRC files. This vulnerability manifests as multiple heap-based buffer overflows that occur when the application processes malformed playlist files containing excessively long strings. The flaw resides in the insufficient input validation and bounds checking mechanisms within the playlist parsing routines, which fail to properly sanitize or limit the length of string data extracted from these playlist formats.
The technical implementation of this vulnerability involves the application's failure to enforce proper buffer size limitations when reading and processing playlist entries. When a maliciously crafted playlist file contains strings exceeding the allocated buffer space, the excess data overflows into adjacent memory regions, potentially corrupting program execution flow or allowing arbitrary code execution. The heap-based nature of the overflow indicates that the vulnerable memory allocations occur on the heap rather than the stack, making exploitation more complex but still feasible for skilled attackers. This type of vulnerability falls under CWE-121, heap-based buffer overflow, which is classified as a critical security weakness in memory management.
The operational impact of this vulnerability extends beyond simple denial of service conditions to include potential remote code execution capabilities that could allow attackers to gain unauthorized control over affected systems. When exploited successfully, the buffer overflow could enable attackers to inject and execute malicious code within the context of the Media Commands application, potentially leading to complete system compromise. The vulnerability affects multiple playlist formats, increasing the attack surface and making it more difficult for users to avoid exploitation by simply avoiding certain file types. Applications utilizing Media Commands 1.0 for playlist processing become vulnerable to remote attacks that could be delivered through various vectors including web downloads, email attachments, or malicious websites hosting compromised playlist files.
Mitigation strategies for CVE-2009-0885 should focus on immediate patching of the affected Media Commands 1.0 software to address the buffer overflow conditions through proper input validation and bounds checking. Organizations should implement strict playlist file validation procedures that enforce maximum string length limits and sanitize all input data before processing. Network segmentation and access controls should be employed to limit exposure of systems running vulnerable software, while security monitoring should be enhanced to detect potential exploitation attempts. The vulnerability demonstrates the importance of secure coding practices and input validation as outlined in the software security principles of the OWASP Top Ten, specifically addressing the risk of buffer overflows and injection attacks. Additionally, implementing application whitelisting and runtime protection mechanisms can provide defense-in-depth measures against exploitation attempts, aligning with the MITRE ATT&CK framework's approach to defending against malicious file execution techniques.