CVE-2008-0011 in DirectX
Summary
by MITRE
Microsoft DirectX 8.1 through 9.0c, and DirectX on Microsoft XP SP2 and SP3, Server 2003 SP1 and SP2, Vista Gold and SP1, and Server 2008, does not properly perform MJPEG error checking, which allows remote attackers to execute arbitrary code via a crafted MJPEG stream in a (1) AVI or (2) ASF file, aka the "MJPEG Decoder Vulnerability."
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Analysis
by VulDB Data Team • 08/11/2019
The CVE-2008-0011 vulnerability represents a critical security flaw in Microsoft DirectX components that affected multiple operating system versions including Windows XP SP2 and SP3, Windows Server 2003 SP1 and SP2, Windows Vista Gold and SP1, and Windows Server 2008. This vulnerability specifically targets the MJPEG decoder functionality within DirectX, which is responsible for handling motion JPEG video streams commonly found in multimedia files. The flaw stems from inadequate error checking mechanisms during the processing of MJPEG encoded data, creating a pathway for malicious actors to exploit the system through specially crafted multimedia files.
The technical implementation of this vulnerability involves the improper handling of MJPEG stream data within AVI and ASF file formats, which are widely used multimedia containers. When DirectX processes these files, the MJPEG decoder fails to properly validate input data, allowing attackers to construct malicious streams that trigger buffer overflows or other memory corruption conditions. This weakness specifically aligns with CWE-125, which describes out-of-bounds read vulnerabilities, and CWE-787, which covers out-of-bounds write conditions. The vulnerability operates at the kernel level within DirectX components, making it particularly dangerous as it can be exploited without requiring user interaction beyond opening a malicious file.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with the ability to gain arbitrary code execution privileges on affected systems. This capability allows adversaries to escalate their privileges, install malware, modify system files, or establish persistent backdoors within the compromised environment. The vulnerability's reach is significant given that DirectX components were integral to Windows multimedia functionality, making the attack surface broad across various Microsoft operating systems. Security researchers have documented this vulnerability in the context of the ATT&CK framework under techniques related to privilege escalation and execution through multimedia processing, highlighting its potential for lateral movement within network environments.
Mitigation strategies for CVE-2008-0011 primarily focus on applying Microsoft security patches released in March 2008, which addressed the underlying MJPEG decoder implementation issues. Organizations should prioritize immediate patch deployment across all affected systems, particularly those running older Windows versions such as XP SP2 and SP3, and Server 2003 SP1 and SP2. Additional defensive measures include implementing strict file validation policies for multimedia content, disabling automatic playback of potentially malicious files, and monitoring network traffic for suspicious MJPEG stream activity. Network segmentation and application whitelisting can further reduce the attack surface by limiting the execution of untrusted multimedia content. Security teams should also consider deploying intrusion detection systems capable of identifying patterns associated with this specific vulnerability, as the attack vectors typically involve crafted AVI and ASF files designed to exploit the MJPEG decoder error conditions.