CVE-2013-1017 in QuickTime
Summary
by MITRE
Buffer overflow in Apple QuickTime before 7.7.4 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via crafted dref atoms in a movie file.
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Analysis
by VulDB Data Team • 06/15/2025
The vulnerability identified as CVE-2013-1017 represents a critical buffer overflow flaw within Apple QuickTime media player software versions prior to 7.7.4. This security weakness resides in the handling of dref atoms within movie files, which are essential components for storing reference information about media content. The flaw enables malicious actors to craft specially designed movie files that can trigger unintended behavior in the QuickTime player when processing these crafted dref atoms. The vulnerability operates through a classic buffer overflow mechanism where insufficient input validation allows data to exceed allocated memory boundaries, potentially leading to memory corruption and arbitrary code execution.
This buffer overflow vulnerability specifically impacts the parsing logic of QuickTime's movie file structure handling, particularly when processing the dref (data reference) atom which contains metadata about media data locations. The flaw falls under CWE-121, which describes heap-based buffer overflow conditions where insufficient bounds checking allows attackers to overwrite adjacent memory locations. The attack vector requires remote exploitation through maliciously crafted movie files that can be delivered via email attachments, web downloads, or malicious websites. When a user opens such a crafted file, the QuickTime player attempts to parse the dref atom without proper boundary validation, causing the buffer overflow condition that can result in application crash or more severely, arbitrary code execution.
The operational impact of this vulnerability extends beyond simple denial of service scenarios, as it can be leveraged for complete system compromise when exploited successfully. Attackers can construct malicious movie files that, when opened by vulnerable QuickTime versions, will trigger memory corruption allowing them to execute arbitrary code with the privileges of the user running the application. This represents a significant threat to enterprise environments where QuickTime is commonly used for multimedia content delivery and playback. The vulnerability is particularly concerning because it can be exploited through social engineering campaigns where users are tricked into opening malicious movie files, often disguised as legitimate media content. The attack surface is broad given QuickTime's widespread deployment across various operating systems and the prevalence of multimedia content in typical user workflows.
Mitigation strategies for CVE-2013-1017 primarily focus on immediate software updates and patch management. Apple released QuickTime 7.7.4 to address this vulnerability, which includes enhanced input validation for dref atoms and improved memory boundary checking. Organizations should implement comprehensive patch management processes to ensure all systems running vulnerable QuickTime versions receive updates promptly. Additional protective measures include network-level filtering to block suspicious media file types, email content filtering to prevent malicious attachments, and user education regarding the risks of opening untrusted multimedia content. Security professionals should consider implementing application whitelisting policies that restrict execution of unauthorized QuickTime versions. The vulnerability also highlights the importance of following secure coding practices such as those outlined in the OWASP Secure Coding Practices, particularly regarding input validation and memory management. From an ATT&CK framework perspective, this vulnerability maps to technique T1203 - Exploitation for Client Execution, as it enables attackers to execute malicious code through compromised client applications. Network segmentation and endpoint protection solutions can provide additional defense-in-depth layers, though the most effective mitigation remains timely patch deployment and user awareness training.