CVE-2007-4911 in JetCast Server
Summary
by MITRE
JSMP3OGGWt.dll in JetCast Server 2.0.0.4308 allows remote attackers to cause a denial of service (daemon crash) via a long .mp3 URI to TCP port 8000. NOTE: some of these details are obtained from third party information.
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Analysis
by VulDB Data Team • 10/07/2024
The vulnerability described in CVE-2007-4911 represents a classic buffer overflow condition affecting the JSMP3OGGWt.dll component within JetCast Server version 2.0.0.4308. This particular implementation flaw exists in the handling of media file URIs, specifically when processing .mp3 file paths through the server's TCP port 8000 interface. The issue stems from inadequate input validation and bounds checking within the media gateway component that processes incoming HTTP requests containing audio file references. Attackers can exploit this weakness by crafting specially formatted URIs containing excessively long paths or data sequences that exceed the allocated buffer space in memory. When the server attempts to process these malformed requests, the insufficient buffer management causes memory corruption that ultimately results in the daemon crashing and terminating the service. This type of vulnerability falls under the category of CWE-121, which describes stack-based buffer overflow conditions where insufficient bounds checking allows attackers to overwrite adjacent memory locations. The impact of this vulnerability extends beyond simple service disruption as it can be leveraged as a precursor to more sophisticated attacks targeting the underlying system infrastructure.
The operational implications of this denial of service vulnerability are significant for organizations relying on JetCast Server for media streaming services or content delivery. When exploited successfully, the daemon crash creates an availability disruption that can affect legitimate users attempting to access audio content through the streaming platform. The vulnerability's remote exploitation capability means that attackers do not require physical access to the server or network infrastructure to cause service interruption. This characteristic aligns with ATT&CK technique T1499.004, which covers network denial of service attacks targeting remote systems. The specific attack vector involves sending malicious HTTP requests containing extended .mp3 URIs to the designated port 8000, which serves as the primary interface for media content delivery. The server's failure to properly validate input length and enforce buffer boundaries creates a predictable crash condition that can be reliably reproduced by malicious actors. Organizations utilizing this particular version of JetCast Server face potential reputational damage and service degradation issues when such attacks occur, particularly in environments where continuous media availability is critical for business operations.
Mitigation strategies for CVE-2007-4911 should focus on immediate remediation through software updates and configuration hardening measures. The most effective approach involves upgrading to a patched version of JetCast Server that addresses the buffer overflow condition in JSMP3OGGWt.dll, as this directly resolves the root cause of the vulnerability. Network administrators should implement input validation controls at the perimeter to filter out suspicious URI patterns and excessive data lengths before they reach the vulnerable server component. This defensive measure corresponds to ATT&CK technique T1071.004, which involves application layer protocol manipulation and filtering of network traffic. Additionally, deploying intrusion detection systems capable of identifying malformed HTTP requests containing unusually long URI sequences can provide early warning of potential exploitation attempts. System administrators should also consider implementing rate limiting and connection throttling mechanisms to prevent rapid exploitation attempts that could overwhelm the service. The vulnerability demonstrates the importance of proper input sanitization and memory management practices in server-side applications, particularly those handling user-provided content or URLs. Organizations should conduct regular vulnerability assessments to identify similar buffer overflow conditions in other legacy systems and ensure comprehensive patch management processes are in place to address such security weaknesses before they can be exploited by malicious actors.