CVE-2008-4384 in LPViewer
Summary
by MITRE
Multiple stack-based buffer overflows in MGI Software LPViewer ActiveX control (LPControl.dll), as acquired by Roxio and iseemedia, allow remote attackers to execute arbitrary code via the (1) url, (2) toolbar, and (3) enableZoomPastMax methods.
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Analysis
by VulDB Data Team • 04/23/2025
The vulnerability identified as CVE-2008-4384 represents a critical security flaw in the MGI Software LPViewer ActiveX control, specifically within the LPControl.dll component that was subsequently acquired by Roxio and iseemedia. This ActiveX control was widely distributed and integrated into various software applications, making it a prime target for exploitation by malicious actors seeking to gain unauthorized system access. The vulnerability manifests as multiple stack-based buffer overflows that occur when the control processes untrusted input through three distinct methods, creating multiple attack vectors for potential exploitation.
The technical implementation of this vulnerability stems from improper input validation within the LPViewer ActiveX control's method handlers. When attackers provide malicious input to the url, toolbar, or enableZoomPastMax methods, the control fails to properly bounds-check the incoming data before copying it into fixed-length stack buffers. This fundamental flaw in memory management creates conditions where attacker-controlled data can overwrite adjacent memory locations, potentially corrupting the stack and allowing execution of arbitrary code. The stack-based buffer overflow conditions are particularly dangerous because they can be exploited to overwrite return addresses, function pointers, and other critical stack data structures that control program execution flow.
The operational impact of this vulnerability extends far beyond simple code execution, as it provides attackers with complete system compromise capabilities within the context of the user's session. Attackers can leverage these buffer overflows to inject and execute malicious code with the privileges of the affected user, potentially leading to full system compromise, data exfiltration, or establishment of persistent backdoors. The widespread deployment of the LPViewer ActiveX control across various platforms and applications meant that this vulnerability could affect numerous systems, making it particularly attractive to threat actors seeking broad impact. The exploitability of this vulnerability is enhanced by the fact that it can be triggered through web-based attacks, allowing remote exploitation without requiring local system access, which aligns with ATT&CK technique T1203 for Exploitation for Client Execution.
Security professionals should consider this vulnerability in the context of CWE-121, which specifically addresses stack-based buffer overflow conditions, and CWE-787, which covers out-of-bounds write vulnerabilities. The attack surface for this vulnerability is particularly concerning given that ActiveX controls are often executed with elevated privileges in web browsers, creating a high-risk environment for exploitation. Mitigation strategies should include immediate removal of the vulnerable ActiveX control from affected systems, implementation of proper input validation measures, and deployment of web application firewalls that can detect and block malicious input patterns targeting these specific methods. Organizations should also consider implementing browser security policies that restrict ActiveX control execution or migrate to more secure alternatives that do not rely on potentially vulnerable legacy components. The vulnerability highlights the critical importance of proper software security practices in legacy components and demonstrates how seemingly minor input validation flaws can result in catastrophic security consequences.