CVE-2001-0490 in WinAmp
Summary
by MITRE
Buffer overflow in WINAMP 2.6x and 2.7x allows attackers to execute arbitrary code via a long string in an AIP file.
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Analysis
by VulDB Data Team • 04/18/2025
The vulnerability identified as CVE-2001-0490 represents a critical buffer overflow flaw affecting WINAMP media player versions 2.6x and 2.7x. This issue stems from inadequate input validation within the application's handling of AIP file formats, which are used for storing playlist information. The buffer overflow occurs when the software processes excessively long string data within these playlist files, leading to memory corruption that can be exploited by malicious actors. The vulnerability falls under the CWE-121 category of stack-based buffer overflow, where insufficient bounds checking allows attackers to overwrite adjacent memory locations and potentially execute arbitrary code with the privileges of the affected user.
The technical exploitation of this vulnerability requires attackers to craft a specially formatted AIP file containing an overly long string that exceeds the allocated buffer space. When WINAMP attempts to parse this malformed file, the excessive data overflows into adjacent memory regions, potentially corrupting the stack and allowing an attacker to manipulate the program's execution flow. This type of vulnerability is particularly dangerous because it can be triggered through normal user interaction with media playlists, making it an attractive target for social engineering attacks. The attack vector aligns with ATT&CK technique T1059.007 for command and scripting interpreter, as successful exploitation could lead to arbitrary code execution within the context of the vulnerable application.
The operational impact of CVE-2001-0490 extends beyond simple code execution, as it can enable attackers to gain unauthorized access to systems running vulnerable WINAMP versions. Since WINAMP was widely distributed and used for multimedia playback across various operating systems, this vulnerability created a significant attack surface that could be leveraged for more sophisticated attacks. The vulnerability's exploitation typically results in privilege escalation opportunities and can serve as a foothold for further system compromise. Organizations relying on older versions of WINAMP faced heightened risk of malware installation and persistent access, particularly in environments where users might unknowingly open maliciously crafted playlist files. The vulnerability demonstrates the importance of proper input validation and memory management in multimedia applications, as well as the critical need for timely software updates and security patches to prevent such exploitation vectors from being weaponized by threat actors.
Mitigation strategies for this vulnerability primarily focus on immediate software updates and patches provided by the vendor. Users should upgrade to WINAMP versions that address this buffer overflow issue through proper bounds checking and memory management practices. System administrators should implement application whitelisting policies to restrict execution of untrusted AIP files and consider network segmentation to limit potential attack propagation. Additionally, regular security assessments should include vulnerability scanning for outdated multimedia applications that may contain similar buffer overflow flaws. The remediation process must also include user education about the risks of opening unknown or untrusted playlist files, as this vulnerability could be exploited through social engineering tactics that trick users into executing malicious content. Organizations should maintain comprehensive inventory tracking of all multimedia applications in use to ensure timely patch deployment and reduce the window of exposure to such critical vulnerabilities.