CVE-2008-5745 in Windows Media Player
Summary
by MITRE
Integer overflow in quartz.dll in the DirectShow framework in Microsoft Windows Media Player (WMP) 9, 10, and 11, including 11.0.5721.5260, allows remote attackers to cause a denial of service (application crash) via a crafted (1) WAV, (2) SND, or (3) MID file. NOTE: this has been incorrectly reported as a code-execution vulnerability. NOTE: it is not clear whether this issue is related to CVE-2008-4927.
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Analysis
by VulDB Data Team • 11/21/2024
The vulnerability described in CVE-2008-5745 represents a critical integer overflow condition within the quartz.dll component of Microsoft Windows Media Player's DirectShow framework. This flaw affects Windows Media Player versions 9, 10, and 11, specifically targeting the handling of multimedia file formats including WAV, SND, and MID files. The vulnerability stems from improper input validation and arithmetic operations within the media processing pipeline, where an attacker can craft malicious files that trigger unexpected behavior in the application's memory management systems. The integer overflow occurs during the parsing and processing of audio file headers, where the application fails to properly validate the size parameters of these files before performing arithmetic operations that could result in memory corruption. This particular vulnerability operates within the broader context of Microsoft's multimedia framework and represents a classic example of how buffer overflow conditions can manifest in complex media processing systems.
The technical execution of this vulnerability involves the manipulation of file format headers to create values that exceed the maximum limits of integer data types used within the quartz.dll library. When Windows Media Player attempts to process these malformed files, the integer overflow causes the application to allocate insufficient memory or to perform operations on invalid memory addresses, ultimately leading to an application crash. The flaw is classified as a denial of service condition rather than a code execution vulnerability as initially reported, meaning that while attackers cannot directly execute arbitrary code, they can reliably cause the application to terminate unexpectedly. The vulnerability is particularly concerning because it operates at the media processing layer, where applications typically have extensive access to system resources and memory management functions. This makes the impact more severe as the application crash can potentially be triggered through various attack vectors including email attachments, web downloads, or network streams, affecting the availability of the media player service.
The operational impact of CVE-2008-5745 extends beyond simple application instability to represent a broader security concern for systems running vulnerable versions of Windows Media Player. The vulnerability can be exploited remotely through various attack vectors, making it particularly dangerous in enterprise environments where media players are commonly used for entertainment or productivity purposes. The integer overflow condition creates a predictable crash scenario that attackers can leverage to disrupt normal operations, potentially causing cascading effects in systems that rely on media playback functionality. From a cybersecurity perspective, this vulnerability highlights the importance of proper input validation and robust error handling in multimedia processing libraries. The flaw demonstrates how seemingly benign file format parsing can become a security risk when proper bounds checking and integer overflow protection mechanisms are not implemented. Security researchers have noted that such vulnerabilities often serve as stepping stones for more sophisticated attacks, as they can be combined with other exploits or used to create more targeted denial of service scenarios.
Mitigation strategies for CVE-2008-5745 should focus on both immediate remediation and long-term architectural improvements. Microsoft addressed this vulnerability through security updates and patches released as part of their regular security bulletin cycle, emphasizing the importance of keeping systems up to date with the latest security patches. Organizations should implement network segmentation and access controls to limit exposure to potentially malicious media files, particularly in environments where users may encounter untrusted content. The vulnerability aligns with CWE-190, which specifically addresses integer overflow conditions, and demonstrates how such flaws can be exploited to create denial of service conditions. From an ATT&CK framework perspective, this vulnerability would be categorized under T1499, which covers network denial of service, and T1059, which involves command and scripting interpreters, as attackers may use the application crash to mask other malicious activities. Additionally, organizations should consider implementing application whitelisting policies and restricting the execution of potentially vulnerable media player applications in high-security environments. The vulnerability also underscores the importance of comprehensive security testing for multimedia frameworks and the need for robust input validation mechanisms throughout the software development lifecycle.