CVE-2008-4385 in System Requirements Lab
Summary
by MITRE
Husdawg, LLC Systems Requirements Lab 3, as used by Instant Expert Analysis, allows remote attackers to force the download and execution of arbitrary programs via by specifiying a malicious website argument to the Init method in (1) a certain ActiveX control (sysreqlab2.cab, sysreqlab.dll, sysreqlabsli.dll, or sysreqlab2.dll) and (2) a certain Java applet in RLApplet.class in sysreqlab2.jar or sysreqlab.jar.
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Analysis
by VulDB Data Team • 04/23/2025
The vulnerability identified as CVE-2008-4385 represents a critical remote code execution flaw within the Systems Requirements Lab 3 software suite developed by Husdawg, LLC and distributed through Instant Expert Analysis. This vulnerability affects both ActiveX controls and Java applets that form part of the software's architecture, creating multiple attack vectors for malicious actors to exploit. The vulnerability stems from improper input validation and unsafe execution practices within the software's initialization methods, specifically targeting the Init method which processes user-provided arguments without adequate sanitization or security checks.
The technical flaw manifests through the manipulation of the Init method parameters in both ActiveX components and Java applets. When a malicious website argument is passed to these initialization functions, the software fails to validate the input properly, allowing attackers to specify arbitrary URLs that trigger automatic downloads and execution of malicious code on the target system. The affected ActiveX controls include sysreqlab2.cab, sysreqlab.dll, sysreqlabsli.dll, and sysreqlab2.dll, while the Java applet components are found in RLApplet.class within sysreqlab2.jar or sysreqlab.jar archives. This dual-platform vulnerability increases the attack surface significantly as it can be exploited through different execution environments.
The operational impact of this vulnerability is severe and far-reaching, as it enables remote attackers to execute arbitrary code on vulnerable systems without requiring user interaction beyond visiting a malicious website or opening a specially crafted document. The vulnerability essentially allows for privilege escalation and system compromise, as the downloaded executables run with the privileges of the user who initiated the software execution. This creates a pathway for attackers to install malware, establish backdoors, or perform further reconnaissance activities within the compromised network. The vulnerability is particularly dangerous in enterprise environments where the software may be deployed across multiple systems, potentially allowing lateral movement and persistent access.
From a cybersecurity perspective, this vulnerability aligns with CWE-74 and CWE-79 categories, representing code injection and cross-site scripting vulnerabilities that have been exploited in numerous real-world scenarios. The ATT&CK framework categorizes this type of vulnerability under T1190 - Exploit Public-Facing Application, where attackers leverage unpatched software to gain initial access to systems. The vulnerability also demonstrates characteristics of T1059 - Command and Scripting Interpreter, as it allows remote command execution through the software's legitimate interfaces. Organizations should implement immediate mitigations including disabling the affected ActiveX controls and Java applets, applying security patches, and implementing network-level controls to block access to known malicious domains. Additionally, security awareness training should emphasize the dangers of visiting untrusted websites and opening suspicious documents that might trigger such exploits. The vulnerability highlights the importance of proper input validation and the principle of least privilege in software development, particularly for applications that handle user-provided data through initialization methods.