CVE-2007-3752 in iTunes
Summary
by MITRE
Heap-based buffer overflow in Apple iTunes before 7.4 allows remote attackers to cause a denial of service (application crash) or execute arbitrary code via crafted album cover art in the covr atom of an MP4/AAC file.
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Analysis
by VulDB Data Team • 06/07/2025
The vulnerability identified as CVE-2007-3752 represents a critical heap-based buffer overflow flaw within Apple iTunes software version 7.3 and earlier. This security weakness resides in the media processing component responsible for handling multimedia file metadata, specifically targeting the covr atom within MP4/AAC file formats. The flaw enables remote attackers to manipulate the application's memory management through specially crafted album cover art data, potentially leading to system compromise or service disruption.
The technical implementation of this vulnerability occurs when iTunes processes MP4 files containing maliciously formatted covr atoms that exceed the allocated heap buffer size. The application fails to properly validate the length and structure of embedded album art data, allowing attackers to overflow the designated memory space and overwrite adjacent memory locations. This heap corruption can result in unpredictable application behavior, including crashes that manifest as denial of service conditions or more severe exploitation opportunities that could lead to arbitrary code execution. The vulnerability specifically exploits the iTunes media library processing engine's insufficient input validation mechanisms when parsing multimedia metadata.
From an operational impact perspective, this vulnerability presents significant risks to end-user systems and enterprise environments where iTunes remains installed. Attackers can remotely deliver malicious MP4 files through various vectors including email attachments, malicious websites, or peer-to-peer networks, making the attack surface broad and accessible. The vulnerability affects both individual users and organizations that rely on iTunes for media management, as any user who opens a compromised file will be vulnerable to exploitation. The potential for remote code execution means that successful exploitation could provide attackers with complete system control, enabling data theft, malware installation, or further network reconnaissance activities.
Organizations should implement immediate mitigations including updating to iTunes version 7.4 or later, which contains the necessary patches to address the buffer overflow vulnerability. System administrators should also consider implementing network-based restrictions to prevent the automatic download or execution of MP4 files from untrusted sources. Additional protective measures include configuring email filters to block suspicious multimedia attachments, deploying endpoint protection solutions with behavioral monitoring capabilities, and conducting regular security assessments to identify any potentially compromised systems. The vulnerability aligns with CWE-121, heap-based buffer overflow, and represents a classic example of how multimedia processing applications can become attack vectors through insufficient input validation and memory management practices. This flaw demonstrates the importance of robust security controls in media processing software and the need for comprehensive testing of file format parsers against malicious inputs.