CVE-2024-20002 in MT5583
Summary
by MITRE • 02/05/2024
In TVAPI, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: DTV03961715; Issue ID: DTV03961715.
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Analysis
by VulDB Data Team • 06/17/2025
The vulnerability identified as CVE-2024-20002 affects the TVAPI component within a television system, representing a critical out-of-bounds write condition that stems from insufficient input validation mechanisms. This flaw manifests when the system processes data without proper bounds checking, allowing maliciously crafted inputs to overwrite memory locations beyond the intended buffer boundaries. The vulnerability specifically resides in the television application programming interface where data handling routines fail to validate input parameters against predetermined size limitations, creating an exploitable condition that can be leveraged by adversaries.
The technical implementation of this vulnerability aligns with CWE-787, which describes out-of-bounds write conditions that occur when a program writes data past the end of a buffer or array. The flaw requires system execution privileges for exploitation, indicating that the vulnerability exists within a privileged execution context where the attacker already possesses elevated access levels. This privileged execution context is crucial for understanding the operational impact as it suggests that the vulnerability can be exploited by an attacker who has already gained some level of system access, potentially through other means or through initial compromise of the system. The absence of user interaction requirements for exploitation makes this vulnerability particularly concerning as it can be triggered automatically without any human intervention.
From an operational perspective, this vulnerability enables local privilege escalation, allowing an attacker who has already established a foothold on the system to elevate their privileges to the system level. The implications extend beyond simple privilege escalation as the system execution privileges required for exploitation indicate that the vulnerability exists within kernel-level or highly privileged components of the television system architecture. This could potentially allow an attacker to gain complete control over the device, modify system configurations, access sensitive data, or install malicious software that persists across reboots. The attack surface is particularly significant in smart television environments where these systems often contain personal data, network credentials, and may serve as gateways to home networks.
The mitigation strategy for this vulnerability involves applying the patch identified by patch ID DTV03961715, which addresses the missing bounds check in the TVAPI component. This patch should be deployed immediately across all affected systems to prevent exploitation. Organizations should also implement runtime monitoring to detect potential exploitation attempts and establish network segmentation to limit the potential impact if the vulnerability is successfully exploited. Security teams should conduct thorough system audits to identify any other components that might share similar vulnerabilities and ensure that all input validation mechanisms are properly implemented. The vulnerability also highlights the importance of applying the principle of least privilege and implementing robust code review processes to prevent similar issues from occurring in future development cycles. Additionally, organizations should consider implementing intrusion detection systems that can monitor for anomalous behavior patterns that might indicate exploitation attempts, particularly focusing on memory corruption events and privilege escalation activities that align with the characteristics of this vulnerability type.