CVE-2009-0476 in Audio Dj Studio For .net
Summary
by MITRE
Stack-based buffer overflow in MultiMedia Soft AdjMmsEng.dll 7.11.1.0 and 7.11.2.7, as distributed in multiple MultiMedia Soft audio components for .NET, allows remote attackers to execute arbitrary code via a long string in a playlist (.pls) file, as originally reported for Euphonics Audio Player 1.0. NOTE: some of these details are obtained from third party information.
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Analysis
by VulDB Data Team • 05/15/2025
The vulnerability described in CVE-2009-0476 represents a critical stack-based buffer overflow flaw within the AdjMmsEng.dll component of MultiMedia Soft audio software suite. This vulnerability specifically affects versions 7.11.1.0 and 7.11.2.7 of the affected DLL, which are distributed as part of various MultiMedia Soft audio components for .NET framework. The flaw manifests when the vulnerable software processes playlist files with the .pls extension, making it particularly dangerous as playlist files are commonly used to organize and play multimedia content across various audio applications.
The technical mechanism of this vulnerability involves a classic stack-based buffer overflow condition that occurs when the AdjMmsEng.dll component fails to properly validate the length of input strings during playlist file parsing. When a maliciously crafted .pls file contains an excessively long string, the software's buffer management routines cannot handle the overflow, leading to memory corruption on the stack. This type of vulnerability falls under CWE-121, which specifically addresses stack-based buffer overflow conditions where insufficient bounds checking allows attackers to overwrite adjacent memory locations. The overflow can potentially overwrite return addresses, function pointers, or other critical stack data, providing attackers with a pathway to execute arbitrary code with the privileges of the affected application.
The operational impact of this vulnerability is severe as it enables remote code execution attacks without requiring local system access or user interaction beyond the simple act of opening a malicious playlist file. Attackers can leverage this vulnerability to install malware, modify system configurations, or gain unauthorized access to affected systems. The vulnerability affects multiple audio components within the MultiMedia Soft ecosystem, indicating a widespread exposure across different software products that utilize the same vulnerable DLL. This makes the attack surface particularly broad and increases the likelihood of successful exploitation in environments where these audio components are deployed.
The attack vector for this vulnerability is particularly concerning as it requires only that a user open a specially crafted .pls file, which can be delivered through various means including email attachments, malicious websites, or compromised audio libraries. The exploitation process follows standard remote code execution patterns that align with ATT&CK technique T1203, which involves using malicious files to execute code remotely. Security professionals should note that this vulnerability represents a classic example of how multimedia applications can become attack vectors, particularly when they handle user-provided data without proper input sanitization. The fact that this vulnerability was originally reported for Euphonics Audio Player 1.0 indicates that the flaw was present across multiple implementations of the same underlying software component, suggesting that similar vulnerabilities may exist in other software that relies on the same DLL.
Mitigation strategies for this vulnerability should focus on immediate patching of affected software versions, as well as network-based protections such as filtering of .pls file extensions at network boundaries. Organizations should implement strict input validation for all playlist files and consider sandboxing audio applications to limit potential damage from successful exploits. Additionally, regular security assessments of multimedia software components and their dependencies should be conducted to identify similar vulnerabilities in other third-party libraries that may be exposed to similar attack vectors. The vulnerability demonstrates the critical importance of input validation in multimedia processing components and the need for robust security measures in audio and video handling software that process user-provided content.