CVE-2007-4067 in Internet ActiveX Suite
Summary
by MITRE
Absolute path traversal vulnerability in the clInetSuiteX6.clWebDav ActiveX control in CLINETSUITEX6.OCX in Clever Internet ActiveX Suite 6.2 allows remote attackers to create or overwrite arbitrary files via a full pathname in the second argument to the GetToFile method. NOTE: some of these details are obtained from third party information.
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Analysis
by VulDB Data Team • 09/28/2024
The CVE-2007-4067 vulnerability represents a critical absolute path traversal flaw within the clInetSuiteX6.clWebDav ActiveX control component of Clever Internet ActiveX Suite version 6.2. This vulnerability exists in the CLINETSUITEX6.OCX library and specifically affects the GetToFile method implementation where the second argument accepts a full pathname. The flaw enables remote attackers to manipulate file system operations by providing malicious absolute paths that bypass normal security boundaries. This type of vulnerability falls under the category of improper input validation and path manipulation techniques that have been consistently documented in cybersecurity literature as high-risk threats to application security.
The technical exploitation of this vulnerability occurs through the manipulation of the GetToFile method within the clWebDav ActiveX control, where the second parameter accepts a file path that is not properly sanitized or validated. Attackers can leverage this flaw to specify absolute paths that point to arbitrary locations on the target system, potentially allowing them to create new files or overwrite existing ones with malicious content. The vulnerability is particularly dangerous because it operates at the file system level, enabling attackers to modify critical system files, install backdoors, or corrupt existing data without proper authentication or authorization. This represents a classic path traversal attack pattern that has been categorized under CWE-22 - Improper Limitation of a Pathname to a Restricted Directory.
From an operational impact perspective, this vulnerability poses significant risks to systems running vulnerable versions of the Clever Internet ActiveX Suite, particularly in enterprise environments where ActiveX controls are commonly deployed for web-based applications and client-server communications. The remote exploitation capability means that attackers can leverage this vulnerability from external networks without requiring local access or credentials, making it particularly attractive for widespread attacks. The potential for arbitrary file creation or modification opens doors to various attack vectors including privilege escalation, data corruption, and system compromise. Organizations using this ActiveX control in their web applications face substantial risk of unauthorized file system access, which could lead to complete system compromise or data breaches.
The mitigation strategies for CVE-2007-4067 should focus on immediate patching and deployment of updated versions of the Clever Internet ActiveX Suite that address the path traversal flaw in the clWebDav control. Organizations should implement strict input validation measures to prevent absolute path manipulation in all file system operations, particularly for ActiveX controls and web applications that handle user-supplied data. Network segmentation and access controls should be enforced to limit exposure of systems running vulnerable ActiveX components. Additionally, security monitoring should be enhanced to detect suspicious file system activities and potential exploitation attempts. The vulnerability aligns with ATT&CK technique T1059.007 - Command and Scripting Interpreter: PowerShell, where attackers might leverage such path traversal capabilities to execute malicious payloads through file system manipulation. Organizations should also consider implementing application whitelisting policies and disabling unnecessary ActiveX controls in web browsers to reduce attack surface and prevent exploitation of similar vulnerabilities in the future.