CVE-2009-3449 in MP3 Collector
Summary
by MITRE
MP3 Collector 2.3 allows remote attackers to cause a denial of service (application crash) via a long URL in a .m3u playlist file.
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Analysis
by VulDB Data Team • 12/15/2024
The vulnerability identified as CVE-2009-3449 affects MP3 Collector version 2.3, a media management application designed for organizing and playing audio files. This flaw represents a classic buffer overflow condition that occurs when the application processes malformed playlist files, specifically .m3u files containing excessively long URLs. The issue arises from inadequate input validation and boundary checking within the application's playlist parsing routine, where the software fails to properly handle strings exceeding predetermined memory allocation limits.
The technical implementation of this vulnerability stems from the application's failure to implement proper string length validation when processing URL entries within .m3u playlist files. When a maliciously crafted playlist contains a URL that surpasses the allocated buffer size, the application experiences memory corruption that leads to an unhandled exception and subsequent application crash. This behavior aligns with CWE-121, which describes stack-based buffer overflow conditions, and represents a fundamental flaw in input sanitization and memory management practices. The vulnerability exists at the application layer where user-supplied data is directly processed without adequate bounds checking mechanisms.
From an operational perspective, this vulnerability presents a significant risk to users who may unknowingly encounter maliciously crafted playlist files through various attack vectors including email attachments, web downloads, or peer-to-peer file sharing networks. The denial of service impact extends beyond simple application instability, as it can potentially disrupt media playback sessions and compromise user productivity. Attackers can exploit this weakness by creating specially formatted .m3u files that contain excessively long URLs, causing the MP3 Collector application to crash whenever the playlist is loaded or played. This vulnerability also demonstrates characteristics consistent with ATT&CK technique T1203, where adversaries leverage application weaknesses to disrupt system availability and user access to legitimate services.
The mitigation strategies for this vulnerability should focus on immediate application updates and input validation improvements. Users should upgrade to patched versions of MP3 Collector where available, as the most effective solution involves vendor-provided fixes that implement proper buffer size limits and input validation. Additionally, system administrators should consider implementing playlist file filtering mechanisms that prevent execution of potentially malicious files, particularly in shared or untrusted environments. Network-level protections such as content filtering and email scanning can help prevent the delivery of malicious playlist files to end users. The vulnerability highlights the importance of defensive programming practices including input validation, memory bounds checking, and proper error handling to prevent similar issues across media playback applications and other software systems that process user-supplied data.