CVE-2009-3810 in MP3 Audio Mixer
Summary
by MITRE
Heap-based buffer overflow in Acoustica MP3 Audio Mixer 2.471 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a long string in a .M3U playlist file.
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Analysis
by VulDB Data Team • 12/07/2024
The vulnerability identified as CVE-2009-3810 represents a critical heap-based buffer overflow flaw within Acoustica MP3 Audio Mixer version 2.471. This vulnerability specifically affects the application's handling of .M3U playlist files, which are commonly used to organize and manage audio tracks in multimedia applications. The flaw stems from inadequate input validation and memory management practices within the software's playlist parsing mechanism, creating a dangerous condition where maliciously crafted data can overwrite adjacent memory regions. The vulnerability's classification as heap-based indicates that the overflow occurs within the heap memory segment, making it particularly susceptible to exploitation due to the unpredictable nature of heap memory layout and the potential for arbitrary code execution.
The technical implementation of this vulnerability involves the application's failure to properly bounds-check input data when processing .M3U playlist files. When a maliciously constructed playlist contains an excessively long string, the application attempts to allocate insufficient memory to accommodate the data, resulting in memory corruption that can be leveraged by attackers. The buffer overflow occurs during the parsing phase of playlist file processing, where the software does not validate the length of strings before copying them into fixed-size buffers allocated on the heap. This flaw directly maps to CWE-121, which describes heap-based buffer overflow conditions, and demonstrates the classic pattern of insufficient bounds checking in memory management operations. The vulnerability's exploitation potential is significant as it can be triggered remotely through the delivery of malicious playlist files, making it particularly dangerous in environments where users might unknowingly download or receive such files.
The operational impact of CVE-2009-3810 extends beyond simple denial of service conditions to encompass full system compromise capabilities. Attackers can leverage this vulnerability to execute arbitrary code on vulnerable systems, potentially gaining complete control over affected machines. The crash conditions that result from this vulnerability can be used as a stepping stone for more sophisticated attacks, while the arbitrary code execution capability allows for persistent backdoor installation, data exfiltration, and further network propagation. This vulnerability particularly affects users who frequently utilize playlist files for audio management, as the attack vector does not require specialized knowledge or direct interaction with the application's core functionality. The exploitability of this vulnerability aligns with ATT&CK technique T1059.007, which covers the use of scriptlets for code execution, and demonstrates how seemingly benign file formats can become attack vectors. The vulnerability's remote exploitation capability means that users can be compromised simply by opening or processing a malicious playlist file, making it particularly dangerous in environments with limited security awareness.
Mitigation strategies for CVE-2009-3810 should prioritize immediate software updates and patches from the vendor, as the vulnerability was addressed in subsequent releases of Acoustica MP3 Audio Mixer. System administrators should implement strict file validation policies for playlist files, particularly those received from untrusted sources, and consider deploying network-based intrusion detection systems to monitor for exploitation attempts. The application should be configured to run with minimal privileges and restricted file access permissions to limit the potential damage from successful exploitation. Additionally, users should be educated about the risks of opening playlist files from unknown or untrusted sources, and organizations should consider implementing application whitelisting policies to prevent execution of vulnerable software versions. Regular security audits and vulnerability assessments should include checks for outdated multimedia applications, as this vulnerability demonstrates how legacy software can present significant security risks. The vulnerability also highlights the importance of secure coding practices, particularly around memory management and input validation, which should be incorporated into development lifecycle security controls to prevent similar issues in future software releases.