CVE-2002-1327 in Windows
Summary
by MITRE
Buffer overflow in the Windows Shell function in Microsoft Windows XP allows remote attackers to execute arbitrary code via an .MP3 or .WMA audio file with a corrupt custom attribute, aka "Unchecked Buffer in Windows Shell Could Enable System Compromise."
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Analysis
by VulDB Data Team • 09/06/2025
The vulnerability described in CVE-2002-1327 represents a critical buffer overflow flaw within the Windows Shell component of Microsoft Windows XP operating systems. This security weakness specifically affects how the system processes multimedia files, particularly .MP3 and .WMA audio formats that contain malformed custom attributes. The flaw resides in the way Windows XP handles metadata within these audio files, creating an opportunity for malicious actors to exploit the system through carefully crafted file structures that exceed buffer boundaries.
The technical implementation of this vulnerability stems from inadequate input validation within the Windows Shell's handling of audio file attributes. When a user opens or previews an audio file containing corrupted custom metadata, the system's buffer management fails to properly check the length of incoming data against allocated memory space. This unchecked buffer access allows attackers to overwrite adjacent memory locations with malicious code, potentially leading to arbitrary code execution with the privileges of the affected user. The vulnerability specifically targets the Windows Shell's file processing routines, which are responsible for parsing and displaying metadata from multimedia files, making it particularly dangerous as it can be triggered through normal user interactions with audio content.
The operational impact of this vulnerability extends beyond simple code execution to potentially enable full system compromise. Attackers can leverage this buffer overflow to gain unauthorized access to affected systems, escalate privileges, and execute malicious payloads without requiring user interaction beyond opening the compromised file. The attack vector is particularly concerning because it can be delivered through email attachments, web downloads, or shared network resources, making it accessible to attackers with minimal technical expertise. This vulnerability directly maps to CWE-121, which describes heap-based buffer overflow conditions, and aligns with ATT&CK technique T1059.007 for command and scripting interpreter, as successful exploitation could enable attackers to execute commands on compromised systems.
Mitigation strategies for CVE-2002-1327 require immediate implementation of Microsoft security patches and updates to address the underlying buffer overflow in Windows Shell components. System administrators should disable automatic preview of multimedia files in Windows Explorer and implement strict file type validation for audio content. Network security measures including intrusion detection systems and web application firewalls should be configured to scan for and block potentially malicious audio files. Additionally, user education regarding safe file handling practices and the importance of keeping operating systems updated remains crucial. Organizations should consider implementing sandboxing techniques for multimedia file processing and establish robust patch management procedures to ensure timely deployment of security updates. The vulnerability also highlights the importance of secure coding practices and input validation in system components, particularly those handling user-provided data, which aligns with security frameworks emphasizing defense in depth and principle of least privilege.