CVE-2007-0505 in Project Issue Tracking Module
Summary
by MITRE
Unrestricted file upload vulnerability in the Project issue tracking 4.7.0 through 5.x before 20070123, a module for Drupal, allows remote authenticated users to execute arbitrary code by attaching a file with executable or multiple extensions to a project issue.
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Analysis
by VulDB Data Team • 10/07/2017
The vulnerability described in CVE-2007-0505 represents a critical unrestricted file upload flaw within the Project issue tracking module for Drupal platforms. This security weakness exists in versions 4.7.0 through 5.x of the module, specifically affecting systems prior to the 20070123 release. The vulnerability operates by allowing authenticated users to upload files that contain executable code or possess extensions that could be interpreted as executable by the web server, thereby creating a significant attack vector for remote code execution.
The technical implementation of this vulnerability stems from inadequate input validation and sanitization within the file upload mechanism of the Project module. When users attach files to project issues, the system fails to properly verify file types or content, permitting malicious files with extensions such as .php, .asp, .jsp, or other potentially dangerous formats to be uploaded to the server. This flaw directly violates security principle of least privilege and proper input validation, creating a pathway for attackers to bypass normal security controls that would typically prevent execution of arbitrary code on the web server.
From an operational impact perspective, this vulnerability enables remote authenticated attackers to execute arbitrary code on the affected Drupal system with the privileges of the web server user. The implications extend beyond simple code execution, as attackers can potentially escalate privileges, access sensitive data, establish persistent backdoors, or use the compromised system as a launch point for further attacks within the network infrastructure. The vulnerability affects not only the immediate web application but also potentially compromises the entire hosting environment, making it particularly dangerous for organizations relying on Drupal for mission-critical applications.
The security implications align with CWE-434, which describes the weakness of unrestricted file upload, and can be mapped to ATT&CK technique T1190 for "Exploit Public-Facing Application" and T1059 for "Command and Scripting Interpreter." Organizations should implement immediate mitigations including updating to patched versions of the Project module, implementing strict file type validation, restricting file upload capabilities to trusted users only, and configuring web server restrictions to prevent execution of uploaded files in web-accessible directories. Additional protective measures include deploying web application firewalls, implementing proper access controls, and conducting regular security assessments to identify similar vulnerabilities in other modules or applications within the Drupal ecosystem.