CVE-2018-9128 in DVD X Player Standard
Summary
by MITRE
DVD X Player Standard 5.5.3.9 has a Buffer Overflow via a crafted .plf file, a related issue to CVE-2007-3068.
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Analysis
by VulDB Data Team • 09/26/2025
The vulnerability identified as CVE-2018-9128 affects DVD X Player Standard version 5.5.3.9 and represents a buffer overflow condition that can be triggered through manipulation of crafted .plf playlist files. This issue demonstrates the persistent nature of buffer overflow vulnerabilities in multimedia player applications, particularly those that process user-controlled input without proper bounds checking mechanisms. The vulnerability serves as a direct descendant of CVE-2007-3068, indicating that similar flaws have been present in the software for over a decade, highlighting inadequate security practices in the application's codebase and the lack of proper input validation procedures.
The technical flaw manifests when the vulnerable player processes a specially crafted .plf file that contains excessive data in a buffer allocated for playlist parsing. This condition occurs because the application fails to implement proper bounds checking or input sanitization when reading playlist entries, allowing an attacker to overflow the allocated memory buffer and potentially overwrite adjacent memory locations. The buffer overflow vulnerability falls under the CWE-121 category of stack-based buffer overflow, where insufficient boundary checking allows attackers to write beyond the allocated buffer space and corrupt program execution flow.
The operational impact of this vulnerability extends beyond simple denial of service conditions, as it presents a potential pathway for remote code execution attacks. When exploited, the buffer overflow could allow attackers to inject malicious code into the application's memory space, potentially leading to arbitrary code execution with the privileges of the user running the vulnerable software. This risk is particularly concerning in environments where multimedia players are frequently used to process untrusted content from the internet or external sources, as the .plf file format could be embedded within larger malicious packages or delivered through social engineering campaigns.
The vulnerability aligns with several tactics outlined in the MITRE ATT&CK framework, particularly those related to initial access and execution phases. Attackers could leverage this vulnerability through malicious email attachments, compromised websites, or social media platforms where .plf files might be distributed as legitimate playlist files. The exploitation process would typically involve crafting a malicious playlist file that triggers the buffer overflow during normal playback operations, potentially allowing attackers to escalate privileges or establish persistent access to affected systems. Organizations should consider this vulnerability as part of a broader attack surface assessment, particularly in environments where users have the ability to download and execute arbitrary media files from untrusted sources. Mitigation strategies should include immediate patching of the vulnerable application, implementation of network-based restrictions on playlist file types, and user education regarding the dangers of executing untrusted media files. Additionally, system administrators should consider implementing application whitelisting policies that restrict execution of known vulnerable applications until proper security patches are deployed.