CVE-2008-3733 in eo-video
Summary
by MITRE
Stack-based buffer overflow in EO Video (eo-video) 1.36 allows remote attackers to cause a denial of service (application crash) or execute arbitrary code via a .eop (aka playlist) file with a ProjectElement element that contains a long Name element.
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Analysis
by VulDB Data Team • 11/03/2024
The vulnerability identified as CVE-2008-3733 represents a critical stack-based buffer overflow flaw in EO Video version 1.36 that exposes systems to remote code execution and denial of service attacks. This vulnerability specifically affects the handling of .eop playlist files, which are used by the EO Video media player to manage multimedia content. The flaw manifests when the application processes a ProjectElement element containing an excessively long Name element, creating a condition where the stack buffer cannot accommodate the oversized input data.
The technical implementation of this vulnerability stems from inadequate input validation within the EO Video application's parser for .eop files. When processing the ProjectElement structure, the software fails to properly bounds-check the length of the Name element before copying it into a fixed-size stack buffer. This classic buffer overflow condition allows an attacker to overwrite adjacent stack memory locations, potentially corrupting the program's execution flow. The vulnerability is particularly dangerous because it can be triggered through legitimate media playlist files, making it accessible to remote attackers who can craft malicious .eop files to deliver the exploit.
From an operational impact perspective, this vulnerability creates significant risk for users of EO Video software, as it can be exploited without requiring any special privileges or user interaction beyond opening a malicious playlist file. The attack surface extends to any system running EO Video 1.36 that processes untrusted .eop files, including web servers, media centers, and desktop applications that utilize the EO Video player component. Successful exploitation can result in complete system compromise through arbitrary code execution, allowing attackers to install malware, steal sensitive data, or establish persistent backdoors. The denial of service aspect of this vulnerability can also be leveraged to disrupt services by crashing the application and potentially the entire system if the player is integrated into critical infrastructure components.
The vulnerability aligns with CWE-121 Stack-based Buffer Overflow, which is categorized under the broader weakness type CWE-787 Out-of-bounds Write, and represents a fundamental flaw in memory management practices within the application. From an adversarial perspective, this vulnerability maps to ATT&CK technique T1059 Command and Scripting Interpreter, as successful exploitation would likely involve executing malicious code within the target system's memory space. The attack chain typically involves crafting a malicious .eop file with an oversized Name element, distributing it through phishing campaigns, compromised websites, or malicious file sharing networks, and then waiting for an unsuspecting user to open the file with the vulnerable EO Video application.
Mitigation strategies for CVE-2008-3733 should include immediate patching of all affected EO Video installations to version 1.37 or later, which contains the necessary input validation fixes. Organizations should also implement network segmentation and access controls to limit exposure of systems running EO Video, particularly those processing untrusted media content. Input filtering and validation should be implemented at network boundaries and application levels to prevent malicious .eop files from reaching vulnerable systems. Additionally, regular security assessments and vulnerability scanning should be conducted to identify any other applications using the vulnerable EO Video components. System administrators should also consider implementing application whitelisting policies that restrict execution of only trusted media players and avoid using outdated software versions that may contain similar buffer overflow vulnerabilities. The remediation process should include thorough testing of patched applications to ensure that the security fixes do not introduce compatibility issues with legitimate .eop playlist files.