CVE-2008-3877 in Mixcraft
Summary
by MITRE
Stack-based buffer overflow in Acoustica Mixcraft 4.1 Build 96 and 4.2 Build 98 allows user-assisted attackers to execute arbitrary code via a crafted .mx4 file. NOTE: it was later reported that version 3 is also affected.
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Analysis
by VulDB Data Team • 05/26/2025
The vulnerability identified as CVE-2008-3877 represents a critical stack-based buffer overflow flaw within Acoustica Mixcraft audio editing software versions 4.1 Build 96, 4.2 Build 98, and reportedly version 3. This type of vulnerability falls under the CWE-121 category of stack-based buffer overflow conditions, where insufficient bounds checking allows an attacker to overwrite adjacent memory locations on the program's stack. The flaw specifically manifests when the software processes maliciously crafted .mx4 files, which are the native project files used by Mixcraft for storing audio project data including tracks, effects, and mixing configurations. The vulnerability's user-assisted nature means that an attacker must convince a user to open a specially crafted file, making it less likely to be exploited automatically but still highly dangerous in targeted attacks.
The technical execution of this vulnerability occurs through improper input validation within the file parsing routine that handles .mx4 project files. When the vulnerable Mixcraft application attempts to load a malicious file, the software fails to properly validate the length of data structures within the file format, allowing an attacker to supply more data than the allocated buffer can accommodate. This overflow can overwrite return addresses, function pointers, and other critical stack variables, potentially allowing an attacker to redirect program execution flow. The attack vector is particularly concerning because audio editing software often handles complex binary data structures, and the .mx4 format likely contains various nested data elements that could be exploited through carefully crafted offsets and payload placement. The vulnerability's impact extends beyond simple code execution to potentially allow privilege escalation or system compromise depending on the execution context.
The operational impact of CVE-2008-3877 is significant for users of affected Mixcraft versions, particularly in professional audio production environments where collaboration and file sharing are common practices. Attackers could exploit this vulnerability through social engineering tactics, such as sending malicious .mx4 files as project collaboration files or through compromised file sharing networks. The vulnerability affects not just individual users but also organizations that rely on Mixcraft for audio production, as a successful exploitation could lead to complete system compromise. The fact that version 3 is also affected indicates this is likely a long-standing issue within the software's file parsing implementation, suggesting that organizations using older versions may be at risk even if they have upgraded to newer major releases. This vulnerability directly aligns with ATT&CK technique T1203 (Exploitation for Client Execution) and represents a classic example of how file format vulnerabilities can be leveraged for remote code execution in creative software applications.
Mitigation strategies for CVE-2008-3877 should prioritize immediate patching of affected versions, as no reliable workarounds exist for this type of buffer overflow vulnerability. Organizations should implement strict file validation procedures, including sandboxing of project files and mandatory file extension verification before opening. Network-level defenses should include monitoring for suspicious file transfers and implementing application whitelisting policies to prevent unauthorized software execution. The vulnerability's classification as a stack-based buffer overflow also suggests that modern exploit mitigation techniques such as stack canaries, address space layout randomization, and data execution prevention should be enabled on systems running Mixcraft. Additionally, regular security audits of audio production workflows are recommended to identify potential attack vectors, as this vulnerability demonstrates how legitimate software used in creative industries can contain exploitable flaws that require careful security management.