CVE-2007-0716 in QuickTime
Summary
by MITRE
Stack-based buffer overflow in Apple QuickTime before 7.1.5 allows remote user-assisted attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted QTIF file.
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Analysis
by VulDB Data Team • 11/25/2024
The vulnerability identified as CVE-2007-0716 represents a critical stack-based buffer overflow flaw within Apple QuickTime software versions prior to 7.1.5. This vulnerability resides in the handling of QuickTime Interchange File (QTIF) format files, which are commonly used for storing multimedia content including video and audio data. The flaw manifests when the QuickTime player processes specially crafted QTIF files that contain malformed data structures, leading to memory corruption during the parsing process. The vulnerability is classified under CWE-121 Stack-based buffer overflow, which occurs when a program writes more data to a fixed-length stack buffer than it can accommodate, causing adjacent memory locations to be overwritten. This type of vulnerability is particularly dangerous as it can be exploited to execute arbitrary code or cause system crashes, making it a prime target for malicious exploitation.
The operational impact of this vulnerability extends beyond simple denial of service conditions to potentially enable remote code execution in targeted systems. Attackers can craft malicious QTIF files that, when opened by an unpatched QuickTime player, trigger the buffer overflow condition in the application's memory management routines. The attack requires user interaction since the malicious file must be opened by the victim, making it a user-assisted remote attack rather than a fully automated exploit. However, the severity remains high as QuickTime was widely distributed and used across various platforms, increasing the potential attack surface. The vulnerability affects multiple operating systems including macOS and Windows, where QuickTime player is installed, making it a cross-platform threat that could be leveraged in sophisticated targeted attacks or mass deployment campaigns.
The technical exploitation of this vulnerability follows established patterns found in buffer overflow attacks, where attackers manipulate input data to overwrite the return address on the stack or other critical memory locations. The flaw specifically affects QuickTime's parsing routines for QTIF format files, which are used to store metadata and multimedia content in a standardized format. When the application attempts to parse malformed QTIF data structures, it fails to properly validate the size of data being read into fixed-size buffers, leading to memory corruption that can be leveraged for code execution. This vulnerability directly relates to ATT&CK technique T1203, which involves the use of malicious files to execute code on target systems, and T1059, which covers the execution of commands through various system interfaces. Security researchers have documented that the vulnerability can be triggered through web-based attacks where users unknowingly download and open malicious QTIF files, making it particularly dangerous in social engineering contexts. The affected QuickTime versions were widely deployed in enterprise environments, creating significant risk for organizations that had not yet applied security patches, and the vulnerability remained exploitable for several years after its initial disclosure.
Organizations affected by this vulnerability should prioritize immediate patching of all QuickTime installations to version 7.1.5 or later, which contains the necessary memory validation fixes. System administrators should implement network-based controls to block or scan for known malicious QTIF files, particularly in email attachments and web downloads. Additional mitigations include disabling QuickTime plugin support in web browsers, implementing application whitelisting policies, and conducting regular vulnerability assessments to identify unpatched systems. The vulnerability serves as a reminder of the importance of timely patch management and input validation in multimedia processing applications. Organizations should also consider deploying intrusion detection systems capable of identifying malicious file patterns and monitor network traffic for suspicious QuickTime-related activities. Regular security awareness training for end users can help prevent accidental exploitation through social engineering attacks that rely on user interaction with malicious files. The incident highlights the critical need for robust memory safety practices in multimedia frameworks and demonstrates how seemingly benign file format parsing can become a significant security risk when proper input validation is omitted.