CVE-2008-2253 in Media Player
Summary
by MITRE
Unspecified vulnerability in Microsoft Windows Media Player 11 allows remote attackers to execute arbitrary code via a crafted audio-only file that is streamed from a Server-Side Playlist (SSPL) on Windows Media Server, aka "Windows Media Player Sampling Rate Vulnerability."
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Analysis
by VulDB Data Team • 05/31/2025
The vulnerability identified as CVE-2008-2253 represents a critical security flaw in Microsoft Windows Media Player 11 that enables remote code execution through specially crafted audio files delivered via Server-Side Playlist (SSPL) streams. This vulnerability specifically affects the media player's handling of audio sampling rates during playback of streamed content, creating a pathway for malicious actors to inject and execute arbitrary code on vulnerable systems. The flaw manifests when Windows Media Player processes audio-only files that are part of an SSPL, which are typically used by Windows Media Server to deliver multimedia content to clients. The vulnerability stems from insufficient input validation and memory handling within the player's audio processing pipeline, particularly when dealing with malformed sampling rate parameters in the streamed audio data.
The technical implementation of this vulnerability involves the exploitation of buffer overflow conditions that occur when the media player attempts to process audio data with invalid or unexpected sampling rate values. When a crafted SSPL file is processed, the Windows Media Player 11 application fails to properly validate the audio stream parameters, leading to memory corruption that can be leveraged by attackers to overwrite critical memory locations. This type of vulnerability aligns with CWE-121, which describes heap-based buffer overflow conditions, and CWE-125, which covers out-of-bounds read vulnerabilities. The attack vector specifically follows the ATT&CK technique T1203, where adversaries use malicious media files to gain code execution on target systems through application vulnerabilities. The exploitation requires minimal user interaction, as simply opening or playing the malicious SSPL stream can trigger the vulnerability, making it particularly dangerous in automated attack scenarios.
The operational impact of this vulnerability extends beyond simple remote code execution to encompass potential system compromise and data exfiltration capabilities. Successful exploitation can result in full system control, allowing attackers to install malware, modify system configurations, or establish persistent access through backdoors. The vulnerability affects Windows Media Player 11 across multiple Windows operating systems, including Windows XP, Windows Vista, and Windows Server 2003, making it a widespread concern for enterprise environments. Organizations that utilize Windows Media Server for content delivery are particularly at risk, as the vulnerability can be exploited through legitimate streaming protocols. The attack scenario typically involves an attacker hosting a malicious SSPL file on a compromised server or through phishing campaigns that deliver the malicious content to unsuspecting users. The vulnerability's severity is compounded by the fact that Windows Media Player is pre-installed on most Windows systems, providing attackers with a readily available attack surface.
Mitigation strategies for CVE-2008-2253 should focus on both immediate defensive measures and long-term architectural improvements. Microsoft released security patches for this vulnerability through Windows Update, which should be deployed immediately across all affected systems. Organizations should implement network segmentation to limit access to Windows Media Server components and restrict streaming protocols to trusted sources only. Network-based intrusion detection systems should be configured to monitor for suspicious SSPL file patterns and malformed audio stream data. Additionally, user education programs should emphasize the importance of avoiding untrusted media content and streaming sources. The implementation of application whitelisting policies can prevent unauthorized media player versions from executing on systems. Security professionals should also consider disabling Windows Media Player functionality in enterprise environments where it is not essential, particularly in high-security zones. Regular vulnerability assessments and penetration testing should include evaluation of streaming media services to identify potential SSPL-related vulnerabilities. The remediation process must also include monitoring for indicators of compromise such as unusual network traffic patterns or unauthorized system modifications that may indicate successful exploitation attempts.