CVE-2008-5406 in QuickTime
Summary
by MITRE
Stack-based buffer overflow in Apple QuickTime Player 7.5.5 and iTunes 8.0.2.20 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a MOV file with "long arguments," related to an "off by one overflow."
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Analysis
by VulDB Data Team • 11/12/2024
The vulnerability identified as CVE-2008-5406 represents a critical stack-based buffer overflow flaw affecting Apple QuickTime Player version 7.5.5 and iTunes version 8.0.2.20. This security issue stems from improper input validation when processing MOV video files, specifically those containing "long arguments" that trigger an off-by-one overflow condition. The flaw manifests during the parsing of multimedia content where the application fails to properly bounds-check data structures, creating opportunities for malicious input to overwrite adjacent memory locations on the stack. Such buffer overflow conditions are particularly dangerous as they can lead to unpredictable application behavior and potential code execution.
The technical implementation of this vulnerability involves the manipulation of MOV file structures to create malformed argument sequences that exceed the allocated buffer space by exactly one byte, hence the "off by one overflow" designation. This subtle but critical error occurs when the QuickTime player processes specific metadata or argument fields within the MOV container format, causing the stack pointer to be corrupted and potentially allowing attackers to redirect program execution flow. The vulnerability's exploitation requires remote code execution through network-delivered MOV files, making it particularly concerning for web-based attack scenarios where users might unknowingly download and play malicious media content.
From an operational perspective, this vulnerability presents significant risks to end users and organizations relying on Apple's media software ecosystem. The remote attack vector means that users can be compromised simply by visiting malicious websites or downloading infected media files without any additional interaction. The potential for arbitrary code execution, while not explicitly confirmed in the original vulnerability report, represents a severe threat that could enable attackers to install malware, escalate privileges, or establish persistent access to affected systems. The denial of service component ensures that even if code execution is not achieved, the application crash effectively disables the media player functionality and potentially disrupts user productivity.
The mitigation strategies for CVE-2008-5406 primarily involve immediate software updates from Apple, as the company released patches addressing the buffer overflow conditions in subsequent versions of QuickTime Player and iTunes. Organizations should implement network-based protections such as content filtering and sandboxing measures to prevent automatic execution of MOV files from untrusted sources. Additionally, security practitioners should consider implementing endpoint protection solutions that monitor for suspicious file execution patterns and maintain updated threat intelligence feeds to identify potential exploitation attempts. This vulnerability aligns with CWE-121 stack-based buffer overflow classification and represents a typical example of how multimedia processing libraries can become attack vectors in modern computing environments. The ATT&CK framework categorizes this as a code injection technique through file execution, where adversaries leverage application vulnerabilities to gain unauthorized access to systems through seemingly benign media content.