CVE-2005-1248 in iTunes
Summary
by MITRE
Buffer overflow in Apple iTunes before 4.8 allows remote attackers to execute arbitrary code via a crafted MPEG4 file.
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Analysis
by VulDB Data Team • 07/04/2025
The vulnerability identified as CVE-2005-1248 represents a critical buffer overflow flaw in Apple iTunes software versions prior to 4.8. This security weakness resides within the media processing component of the popular digital media management application that was widely used for managing music libraries and syncing devices with computers. The vulnerability specifically affects the handling of MPEG4 video files, which are commonly used multimedia formats that Apple iTunes supports for playback and synchronization purposes. The buffer overflow occurs during the parsing and processing of these media files, creating an exploitable condition that can be leveraged by malicious actors.
The technical nature of this vulnerability stems from improper input validation and memory management within iTunes' MPEG4 file parser. When the application encounters a specially crafted MPEG4 file, it fails to properly bounds-check the data structures used for parsing the file headers and metadata. This allows an attacker to craft a malicious file that exceeds the allocated buffer space, causing a stack overflow condition that can overwrite critical memory locations including return addresses and function pointers. The flaw operates at the application layer and requires no special privileges to exploit, making it particularly dangerous as it can be triggered through normal user interaction with media files.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with a potential pathway for complete system compromise. Remote attackers can deliver malicious MPEG4 files through various vectors including email attachments, instant messaging, web downloads, or peer-to-peer networks, without requiring any user interaction beyond opening the file within iTunes. The exploitability of this vulnerability aligns with ATT&CK technique T1203, which covers exploitation for execution through various attack vectors. Successful exploitation can result in arbitrary code execution with the privileges of the iTunes process, potentially leading to full system compromise, data theft, or installation of persistent malware. The vulnerability also relates to CWE-121, which describes stack-based buffer overflow conditions that occur when insufficient bounds checking is performed on data structures.
Mitigation strategies for CVE-2005-1248 primarily focus on immediate software updates and operational security measures. Apple addressed this vulnerability through the release of iTunes version 4.8, which included enhanced input validation and memory management controls for MPEG4 file processing. Organizations and individuals should prioritize updating to the latest iTunes version to eliminate this threat vector. Additional protective measures include implementing network-based security controls such as content filtering systems that can detect and block suspicious media files, disabling automatic media playback in iTunes, and employing sandboxing techniques to limit the potential impact of successful exploitation. Security professionals should also consider monitoring for unusual network traffic patterns that might indicate attempts to deliver malicious media files. The vulnerability demonstrates the importance of proper input validation in multimedia processing applications and highlights the need for continuous security assessment of third-party software components that handle user-supplied data. This case study serves as a foundational example of how multimedia applications can become attack vectors when proper security controls are not implemented during development phases.