CVE-2002-1000 in SimpleServer:Shout
Summary
by MITRE
Buffer overflow in AnalogX SimpleServer:Shout 1.0 allows remote attackers to cause a denial of service and execute arbitrary code via a long request to TCP port 8001.
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Analysis
by VulDB Data Team • 05/26/2019
The vulnerability identified as CVE-2002-1000 represents a critical buffer overflow flaw in AnalogX SimpleServer:Shout 1.0 software running on TCP port 8001. This issue stems from inadequate input validation mechanisms within the application's network handling code, specifically when processing incoming requests on the designated port. The flaw exists in the server's ability to manage data buffers that exceed their allocated memory space, creating conditions where maliciously crafted input can overwrite adjacent memory locations and potentially execute arbitrary code.
This buffer overflow vulnerability operates under the Common Weakness Enumeration framework as CWE-121, classified as Stack-based Buffer Overflow, and falls within the ATT&CK technique of T1059.007 for Command and Scripting Interpreter. The vulnerability's exploitation requires remote attackers to send a specially crafted request containing excessive data to the vulnerable TCP port 8001, which serves as the primary communication channel for the SimpleServer:Shout application. The attack vector is particularly dangerous because it allows for both denial of service conditions and potential remote code execution, making it a severe threat to system integrity and availability.
The operational impact of this vulnerability extends beyond simple service disruption, as it provides attackers with the capability to gain unauthorized control over affected systems. When exploited successfully, the buffer overflow can lead to complete system compromise, allowing attackers to execute malicious code with the privileges of the running service. The vulnerability affects systems running AnalogX SimpleServer:Shout 1.0 version 1.0, which was widely deployed in enterprise environments for audio streaming services. The attack scenario involves sending a malformed request containing more data than the buffer can accommodate, causing the application to crash or redirect execution flow to attacker-controlled code.
Mitigation strategies for this vulnerability include immediate patching of the affected software to address the buffer overflow condition, implementing network segmentation to restrict access to TCP port 8001, and deploying intrusion detection systems to monitor for suspicious traffic patterns. Organizations should also consider disabling the vulnerable service entirely if it is not essential for operations, and implement proper input validation controls to prevent similar issues in other applications. The vulnerability highlights the importance of robust memory management practices and proper bounds checking in network applications, aligning with industry best practices outlined in the OWASP Top Ten and NIST cybersecurity guidelines. Additionally, network administrators should conduct regular vulnerability assessments to identify and remediate similar issues across their infrastructure, as this type of flaw commonly occurs in legacy applications that have not received proper security updates.