CVE-2007-0717 in QuickTime
Summary
by MITRE
Integer 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-2007-0717 represents a critical integer overflow flaw within Apple QuickTime media player 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 integer overflow occurs when the application processes malformed QTIF files that contain oversized or improperly formatted data structures, leading to memory corruption during the parsing process. Such flaws are particularly dangerous because they can be triggered through seemingly benign media files that users might encounter while browsing the internet or opening email attachments. The vulnerability is classified under CWE-190 as an integer overflow or wraparound, which represents a fundamental weakness in software design where arithmetic operations exceed the maximum representable value for a given data type.
The operational impact of this vulnerability extends beyond simple denial of service conditions to potentially enable remote code execution, making it a severe security concern for users who frequently access multimedia content from untrusted sources. Attackers can craft malicious QTIF files that, when opened by an affected QuickTime version, trigger the integer overflow condition. This condition causes the application to behave unpredictably, often resulting in application crashes or system instability. In some cases, the overflow can be manipulated to overwrite memory locations with attacker-controlled data, potentially allowing for arbitrary code execution within the context of the user running the vulnerable software. The remote user-assisted nature of this attack means that users do not need to perform any special actions beyond opening the malicious file, as the vulnerability is triggered automatically during the file parsing process. This makes the attack vector particularly dangerous in environments where users might encounter media files through web browsing, email attachments, or file sharing networks.
The exploitation of this vulnerability aligns with several techniques documented in the MITRE ATT&CK framework, particularly under the execution and privilege escalation domains. The attack leverages the principle of code injection through memory corruption, where the integer overflow serves as the initial vector for gaining control over the application's execution flow. Security professionals should note that this vulnerability demonstrates the importance of proper input validation and memory management in multimedia processing software, as these applications often handle complex data structures that can be manipulated to cause unexpected behavior. The flaw highlights the need for robust bounds checking and integer overflow protection mechanisms in all software components that process external data, especially those handling multimedia formats that are commonly encountered in user-facing applications. Organizations should prioritize immediate patching of affected systems and implement network segmentation to limit potential attack surfaces, as the vulnerability affects a widely deployed media player that was commonly used across both personal and enterprise environments.
Apple addressed this vulnerability through the release of QuickTime 7.1.5, which included enhanced input validation and memory management protections specifically designed to prevent integer overflow conditions during QTIF file processing. The fix demonstrates the importance of regular security updates and the critical role that software vendors play in maintaining secure applications. Security practitioners should recognize this vulnerability as an example of how multimedia processing libraries can become attack vectors when proper security measures are not implemented, particularly in applications that handle untrusted input from network sources. The vulnerability also underscores the necessity of maintaining up-to-date software across all systems, as the exploitation of such flaws often requires only minimal effort from attackers to cause significant disruption or compromise. Organizations should implement comprehensive patch management processes and consider deploying application whitelisting solutions to prevent execution of untrusted media files, particularly in environments where users may encounter potentially malicious content through web browsing or email systems.