CVE-2002-2392 in WinAmp
Summary
by MITRE
Winamp 2.65 through 3.0 stores skin files in a predictable file location, which allows remote attackers to execute arbitrary code via a URL reference to (1) wsz and (2) wal files that contain embedded code.
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Analysis
by VulDB Data Team • 07/14/2024
The vulnerability identified as CVE-2002-2392 represents a critical security flaw in Winamp media player versions 2.65 through 3.0 that stems from improper handling of skin files and their predictable file locations. This vulnerability falls under the category of insecure direct object reference and improper file handling, which are commonly classified as CWE-22 and CWE-23 respectively within the Common Weakness Enumeration framework. The issue arises from the application's predictable file storage mechanism that allows remote attackers to exploit the system by placing malicious files in specific locations that Winamp expects to find during normal operation.
The technical exploitation of this vulnerability occurs through the manipulation of two specific file types: wsz files and wal files, which are used for skin customization and audio processing within Winamp. When a user visits a malicious website or opens a specially crafted URL, the application attempts to load these skin files from predictable locations on the filesystem. The embedded code within these files can then be executed with the privileges of the user running Winamp, potentially allowing attackers to gain unauthorized access to the system. This type of attack maps to ATT&CK technique T1059.007 for command and scripting interpreter and T1068 for exploit for privilege escalation.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with a potential foothold for more sophisticated attacks within the compromised system. Since Winamp typically runs with user-level privileges, successful exploitation could lead to information disclosure, system compromise, or further lateral movement within a network. The predictability of file locations makes this vulnerability particularly dangerous as it eliminates the need for complex reconnaissance phases that attackers would normally require to locate vulnerable components.
Mitigation strategies for CVE-2002-2392 should focus on both immediate remediation and long-term architectural improvements. The most effective immediate solution involves upgrading to Winamp versions that have addressed this vulnerability through proper file handling mechanisms and unpredictable file location management. Organizations should also implement network-based restrictions that prevent access to potentially malicious URLs and file downloads. Additionally, users should be educated about the risks of opening untrusted files and visiting suspicious websites. From a security architecture perspective, this vulnerability highlights the importance of implementing proper input validation and secure file handling practices, which aligns with defensive techniques described in the MITRE ATT&CK framework for preventing exploitation of similar vulnerabilities.