CVE-2009-0004 in QuickTime
Summary
by MITRE
Buffer overflow in Apple QuickTime before 7.6 allows remote attackers to cause a denial of service (application termination) and possibly execute arbitrary code via a crafted MP3 audio file.
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Analysis
by VulDB Data Team • 08/26/2019
The vulnerability identified as CVE-2009-0004 represents a critical buffer overflow flaw within Apple QuickTime media player software versions prior to 7.6. This security weakness resides in the handling of MP3 audio files, specifically within the audio decoding and processing components of the QuickTime framework. The vulnerability stems from inadequate input validation and memory management practices when parsing specially crafted MP3 files, creating an opportunity for malicious actors to exploit the software's memory handling mechanisms. The flaw manifests when the application attempts to process malformed audio data that exceeds allocated buffer boundaries, leading to unpredictable behavior and potential system compromise.
The technical nature of this vulnerability aligns with CWE-121, which describes heap-based buffer overflow conditions where insufficient bounds checking allows attackers to overwrite adjacent memory locations. This particular implementation flaw occurs during the parsing of MP3 file headers and audio data streams, where the QuickTime player fails to properly validate the length specifications provided in the file structure. Attackers can construct malicious MP3 files containing oversized data segments that trigger the buffer overflow when the player attempts to decode and render the audio content. The vulnerability's exploitation potential extends beyond simple denial of service to include arbitrary code execution, making it particularly dangerous for remote attack scenarios.
The operational impact of CVE-2009-0004 poses significant risks to users and organizations relying on QuickTime for media playback. Remote attackers can leverage this vulnerability to terminate running applications, causing denial of service conditions that disrupt user productivity and system availability. More critically, the buffer overflow can be weaponized to execute arbitrary code with the privileges of the affected application, potentially enabling full system compromise. This vulnerability affects a wide range of Apple operating systems including macOS versions that shipped with older QuickTime implementations, creating a substantial attack surface across enterprise and consumer environments. The vulnerability's remote exploitation capability means that users can be compromised simply by opening or previewing malicious MP3 files, making it particularly dangerous in email attachments, web downloads, or media sharing scenarios.
From a threat modeling perspective, this vulnerability maps to several ATT&CK techniques including T1203 (Exploitation for Client Execution) and T1059 (Command and Scripting Interpreter) as attackers can leverage the buffer overflow to execute malicious code. The vulnerability's exploitation requires minimal user interaction, typically involving automatic playback of media files, which increases the likelihood of successful compromise. Organizations should implement immediate mitigations including mandatory software updates to QuickTime 7.6 or later versions, network-based filtering of MP3 file attachments, and user education regarding suspicious file downloads. Additionally, system administrators should consider disabling QuickTime playback in web browsers and email clients where possible, and deploy endpoint protection solutions with behavioral monitoring capabilities to detect anomalous memory access patterns that may indicate exploitation attempts. The vulnerability highlights the importance of regular security patch management and proper input validation in multimedia processing frameworks, serving as a reminder of the critical security considerations when handling untrusted media content.