CVE-2007-5826 in Flowchart ActiveX
Summary
by MITRE
Absolute path traversal vulnerability in the EDraw Flowchart ActiveX control in EDImage.ocx 2.0.2005.1104 allows remote attackers to create or overwrite arbitrary files with arbitrary contents via a full pathname in the second argument to the HttpDownloadFile method, a different product than CVE-2007-4420.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Analysis
by VulDB Data Team • 10/10/2024
The CVE-2007-5826 vulnerability represents a critical absolute path traversal flaw within the EDraw Flowchart ActiveX control component EDImage.ocx version 2.0.2005.1104. This vulnerability specifically affects the HttpDownloadFile method which accepts a full pathname as its second argument, creating an opportunity for remote attackers to manipulate file system operations beyond the intended scope. The flaw stems from inadequate input validation and sanitization within the ActiveX control's file handling mechanisms, allowing malicious actors to specify arbitrary absolute paths for file creation or overwriting operations.
This vulnerability operates under the Common Weakness Enumeration classification of CWE-22, which specifically addresses path traversal attacks where attackers can manipulate file paths to access or modify files outside of intended directories. The attack vector leverages the ActiveX control's trust model and lacks proper boundary checking for file system operations, enabling an attacker to craft malicious requests that bypass normal file access controls. The vulnerability is particularly concerning because it allows for arbitrary file creation and overwriting, potentially enabling attackers to deploy malicious payloads or modify critical system files.
The operational impact of this vulnerability extends beyond simple file manipulation to encompass potential system compromise and persistence mechanisms. Remote attackers can leverage this flaw to overwrite system files, inject malicious code into legitimate applications, or create backdoor access points within the target environment. The vulnerability affects web applications that utilize the EDraw Flowchart ActiveX control, particularly those running on windows systems where ActiveX controls are enabled. This creates a significant risk for enterprise environments where ActiveX controls are permitted, as the vulnerability can be exploited through web browsers or web-based applications that incorporate the affected component.
Mitigation strategies for CVE-2007-5826 should focus on immediate removal or disabling of the vulnerable EDImage.ocx component from affected systems. Organizations should implement strict ActiveX control policies that restrict the execution of untrusted ActiveX components and enforce proper input validation for all file system operations. The vulnerability aligns with ATT&CK technique T1195 which covers content injection attacks and T1059 which addresses command and scripting interpreter usage. Network segmentation and firewall rules should be implemented to restrict access to systems running vulnerable ActiveX controls, while regular security assessments should verify the absence of known vulnerable components. Additionally, implementing application whitelisting solutions and disabling ActiveX controls in web browsers can provide effective protection against exploitation of this path traversal vulnerability.