CVE-2007-3068 in DVD X Player
Summary
by MITRE
Stack-based buffer overflow in DVD X Player 4.1 Professional allows remote attackers to execute arbitrary code via a PLF playlist containing a long filename.
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Analysis
by VulDB Data Team • 06/08/2025
The vulnerability identified as CVE-2007-3068 represents a critical stack-based buffer overflow flaw within DVD X Player version 4.1 Professional, a multimedia playback application widely used for handling various video and audio formats. This vulnerability specifically manifests when the application processes PLF playlist files, which are used to organize and manage multimedia content sequences. The flaw occurs due to inadequate input validation and bounds checking within the application's handling of filename data within these playlist files. When a remote attacker crafts a malicious PLF file containing an excessively long filename, the application fails to properly validate the input length before copying it onto the stack, leading to a buffer overflow condition. This type of vulnerability falls under the CWE-121 category of Stack-based Buffer Overflow, which is classified as a fundamental memory corruption vulnerability that has been consistently identified as one of the most dangerous classes of bugs in software systems. The vulnerability exposes the application to potential exploitation through remote code execution, making it particularly concerning for networked environments where users might unknowingly download or receive malicious playlist files.
The technical exploitation of this vulnerability requires an attacker to create a specially crafted PLF playlist file containing a filename that exceeds the allocated buffer space on the stack. When DVD X Player attempts to parse this playlist file, the application's string handling functions copy the overly long filename without proper bounds checking, causing the stack to overflow and overwrite adjacent memory locations. This memory corruption can potentially overwrite return addresses, function pointers, or other critical control data, allowing an attacker to redirect program execution flow. The attack vector is particularly dangerous because it can be initiated remotely through network-based delivery methods, such as email attachments, web downloads, or file sharing platforms. The vulnerability demonstrates a classic example of how improper input validation can lead to severe security consequences, as the application fails to implement basic security measures like stack canaries or memory protection mechanisms that would typically prevent such overflows from being exploitable. According to the ATT&CK framework, this vulnerability maps to the T1203 technique of Exploitation for Execution, where adversaries leverage software vulnerabilities to execute arbitrary code.
The operational impact of CVE-2007-3068 extends beyond simple code execution, as successful exploitation can lead to complete system compromise and persistent access. Once an attacker gains remote code execution capabilities through this vulnerability, they can install malware, modify system files, establish backdoors, or escalate privileges to gain administrative access to the affected system. The vulnerability affects all users running DVD X Player 4.1 Professional, regardless of their operating system security configurations, making it particularly dangerous in enterprise environments where multimedia applications are commonly used. The exploitability of this vulnerability is enhanced by the fact that playlist files are often shared through trusted channels, making social engineering attacks more effective. Organizations using this software may experience unauthorized access, data breaches, and potential lateral movement within their networks, as attackers can use the compromised system as a foothold for further attacks. The vulnerability also highlights the importance of keeping multimedia applications updated, as older versions often contain unpatched security flaws that remain exploitable for years after their initial discovery. System administrators should consider implementing network segmentation and access controls to limit the potential damage from such vulnerabilities, while also ensuring that all multimedia applications are regularly updated to address known security issues. The presence of such vulnerabilities in widely used applications like DVD X Player demonstrates the critical need for comprehensive security testing and vulnerability management programs across all software components within enterprise environments.