CVE-2004-1618 in Tonecast
Summary
by MITRE
Vypress Tonecast 1.3 and earlier allows remote attackers to cause a denial of service (application crash) via a malformed mp2 stream.
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Analysis
by VulDB Data Team • 06/21/2018
The vulnerability identified as CVE-2004-1618 affects Vypress Tonecast version 1.3 and earlier implementations, representing a significant security flaw that exposes the application to remote denial of service attacks. This issue specifically targets the media streaming functionality of the software, which is designed to handle mp2 audio streams for broadcasting purposes. The vulnerability stems from inadequate input validation mechanisms within the application's media processing pipeline, where the software fails to properly sanitize or validate incoming mp2 stream data before attempting to process it. This lack of proper validation creates an exploitable condition that can be leveraged by remote attackers to disrupt the normal operation of the service.
The technical flaw manifests when a maliciously crafted mp2 stream is transmitted to the vulnerable application, causing the software to crash or become unresponsive. This occurs because the application does not implement proper bounds checking or data integrity verification for the mp2 stream format, allowing malformed data to propagate through the processing chain and ultimately trigger an application-level exception or memory corruption. The vulnerability is classified as a remote attack vector since no local access or authentication is required for exploitation, making it particularly dangerous in networked environments where the service may be exposed to untrusted users or automated scanning tools. The flaw essentially represents a classic buffer overflow or input validation issue that falls under the CWE-121 category of buffer overflow conditions, where insufficient validation of input data leads to application instability.
The operational impact of this vulnerability extends beyond simple service disruption, as it can be exploited to create persistent denial of service conditions that may require manual intervention to resolve. When exploited successfully, the vulnerability forces the application to terminate unexpectedly or enter a non-responsive state, effectively preventing legitimate users from accessing the streaming service. This can have cascading effects on organizations that rely on Vypress Tonecast for broadcasting operations, potentially disrupting critical communication channels or entertainment services. The vulnerability is particularly concerning in environments where the application runs continuously or serves multiple concurrent users, as a single successful attack can impact a large number of users simultaneously. From an attacker perspective, the low complexity and high impact nature of this vulnerability makes it attractive for exploitation, as it requires minimal technical expertise while delivering significant disruption.
Mitigation strategies for CVE-2004-1618 should focus on immediate remediation through software updates and patches provided by the vendor, as well as implementing network-level protections to prevent unauthorized access to the vulnerable service. Organizations should consider deploying network segmentation measures to limit exposure of the application to untrusted networks, while also implementing proper input filtering mechanisms at network boundaries to detect and block malformed mp2 streams before they reach the vulnerable application. The vulnerability demonstrates the importance of input validation and proper error handling in media processing applications, aligning with ATT&CK technique T1499.004 for network denial of service attacks. Additionally, implementing application-level monitoring and alerting systems can help detect exploitation attempts and provide early warning of potential attacks. Regular vulnerability assessments and security testing should be conducted to identify similar input validation flaws in other media processing applications, as this type of vulnerability is commonly found in streaming and multimedia software implementations. Organizations should also consider implementing redundant systems or failover mechanisms to maintain service availability during potential exploitation attempts, while maintaining detailed logs of all streaming activity to facilitate forensic analysis if attacks occur.