CVE-2018-14923 in EZPlayer
Summary
by MITRE
A vulnerability in uniview EZPlayer 1.0.6 could allow an attacker to execute arbitrary code on a targeted system via video playback.
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Analysis
by VulDB Data Team • 03/13/2020
The vulnerability identified as CVE-2018-14923 resides within the uniview EZPlayer version 1.0.6 software, representing a critical security flaw that enables remote code execution during video playback operations. This issue affects systems where the EZPlayer application is installed and actively processes video content, creating a significant attack surface for malicious actors who can leverage this weakness to gain unauthorized control over affected systems.
The technical nature of this vulnerability stems from improper input validation and memory handling within the video processing components of the EZPlayer application. When the software processes specially crafted video files or streams, it fails to properly sanitize user-supplied data, leading to buffer overflow conditions or other memory corruption vulnerabilities. This flaw allows attackers to inject malicious code that executes with the privileges of the running application, typically those of the logged-in user or system administrator depending on the execution context.
From an operational perspective, the impact of CVE-2018-14923 extends beyond simple remote code execution to encompass full system compromise capabilities. An attacker who successfully exploits this vulnerability can establish persistent access to the target system, deploy additional malicious tools, exfiltrate sensitive data, or use the compromised system as a launch point for further attacks within the network. The vulnerability is particularly dangerous because it requires no user interaction beyond normal video playback operations, making it an ideal candidate for automated exploitation campaigns. This characteristic aligns with ATT&CK technique T1203 (Exploitation for Client Execution) and reflects CWE-121 (Stack-based Buffer Overflow) or similar memory corruption weaknesses.
The exploitation of this vulnerability typically involves crafting malicious video files that contain specially formatted data designed to trigger the memory corruption during playback. Attackers can deliver these payloads through various vectors including email attachments, compromised websites, or malicious streaming services. Once executed, the malicious code can perform a wide range of harmful activities from privilege escalation to data theft, making this vulnerability particularly attractive to threat actors. Organizations running uniview EZPlayer 1.0.6 should consider implementing network segmentation to limit the potential spread of attacks and deploy intrusion detection systems to monitor for exploitation attempts. Additionally, regular security updates and patches should be prioritized to address this vulnerability, as the original software version is no longer supported. The remediation process should include immediate patching of the affected application, along with comprehensive network monitoring to detect any potential exploitation attempts. Security teams should also conduct thorough vulnerability assessments to identify any other instances of the same software version running within their environments, as the same vulnerability may exist across multiple systems.