CVE-2025-20902 in Media Controller
Summary
by MITRE • 02/04/2025
Improper access control in Media Controller prior to version 1.0.24.5282 allows local attacker to launch activities in MediaController's privilege.
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Analysis
by VulDB Data Team • 02/04/2025
The vulnerability identified as CVE-2025-20902 represents a critical improper access control flaw within the Media Controller component of a software system. This vulnerability exists in versions prior to 1.0.24.5282 and specifically affects the privilege escalation capabilities of local attackers. The flaw allows adversaries with local system access to manipulate the Media Controller's operational parameters and execute unauthorized activities that should typically be restricted to privileged users or system processes. The vulnerability stems from inadequate validation of user privileges and insufficient authorization checks within the media controller's internal mechanisms.
The technical implementation of this access control failure manifests through the Media Controller's failure to properly verify the privileges of entities attempting to launch activities within its framework. Attackers can exploit this weakness by leveraging local system access to execute malicious code or commands that would normally require elevated privileges or specific authorization tokens. This type of vulnerability falls under the CWE-284 access control weakness category, specifically representing improper access control where the system fails to properly enforce authorization mechanisms. The flaw essentially creates a path for privilege escalation that bypasses normal security boundaries and allows unauthorized execution of media-related operations.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it can enable attackers to manipulate media processing workflows, potentially leading to data corruption, information disclosure, or even system compromise. Local attackers could leverage this vulnerability to execute arbitrary commands, modify media processing parameters, or gain access to sensitive media content that should remain protected. The attack surface is particularly concerning given that local access is often considered less restricted than remote access, making this vulnerability exploitable in scenarios where an attacker has already established a foothold on the system. This weakness can be particularly dangerous in environments where media processing systems handle sensitive content or where the media controller interfaces with other privileged system components.
Mitigation strategies for CVE-2025-20902 should prioritize immediate patching of affected systems to version 1.0.24.5282 or later, which contains the necessary access control improvements. System administrators should implement comprehensive monitoring of media controller activity to detect anomalous behavior that might indicate exploitation attempts. Additionally, privilege separation should be enforced through mandatory access controls and proper sandboxing of media processing components to limit the potential impact of successful exploitation. The remediation efforts should align with ATT&CK framework techniques related to privilege escalation and defense evasion, ensuring that the mitigation approach addresses both the immediate vulnerability and potential follow-on attacks that could result from unauthorized media controller access. Organizations should also conduct thorough security assessments of their media processing environments to identify any other components that might be vulnerable to similar access control flaws.