CVE-2005-1628 in WebAPP
Summary
by MITRE
apage.cgi in WebAPP 0.9.9.2.1, and possibly earlier versions, allows remote attackers to execute arbitrary commands via shell metacharacters in the f parameter.
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Analysis
by VulDB Data Team • 11/30/2024
The vulnerability identified as CVE-2005-1628 affects the WebAPP content management system version 0.9.9.2.1 and potentially earlier iterations. This issue resides within the apage.cgi script which serves as a key component in the web application's functionality. The vulnerability represents a critical command injection flaw that enables remote attackers to execute arbitrary system commands on the affected server. The flaw specifically manifests when the application fails to properly sanitize user input passed through the f parameter, creating an avenue for malicious command execution.
The technical implementation of this vulnerability falls under the category of command injection attacks, which is classified as CWE-77 according to the Common Weakness Enumeration framework. This weakness occurs when a web application incorporates user-supplied data into system commands without proper validation or sanitization. In the case of CVE-2005-1628, the apage.cgi script directly incorporates the f parameter value into shell commands without adequate input filtering, allowing attackers to append malicious shell metacharacters such as semicolons, pipes, or other command separators. This design flaw enables attackers to chain commands and execute arbitrary code with the privileges of the web server process.
The operational impact of this vulnerability is severe and multifaceted. Remote attackers can leverage this flaw to gain full control over the affected web server, potentially leading to complete system compromise. The vulnerability allows for arbitrary command execution, which means attackers can perform actions such as reading sensitive files, modifying system configurations, installing backdoors, or even establishing persistent access through reverse shells. Given that the vulnerability exists in the CGI script processing, it affects the fundamental security model of the web application, potentially exposing all data and services hosted on the server. The attack surface extends beyond simple command execution to include potential privilege escalation scenarios, as the web server process typically runs with elevated system privileges.
Mitigation strategies for CVE-2005-1628 must address both immediate remediation and long-term security hardening. The primary solution involves implementing proper input validation and sanitization for all user-supplied parameters, particularly those used in system command execution contexts. This includes implementing strict parameter validation, escaping special shell characters, and using secure programming practices that avoid direct shell command construction from user input. Organizations should also consider implementing web application firewalls to detect and block suspicious command injection patterns. Additionally, the system should be updated to a patched version of WebAPP or migrated to a more secure content management system. Security practices should include regular input validation testing, code reviews focusing on command execution contexts, and implementing least privilege principles for web server processes. The vulnerability also highlights the importance of following secure coding guidelines and adhering to the principle of least privilege as outlined in various cybersecurity frameworks including the MITRE ATT&CK matrix, where such vulnerabilities are categorized under the command and control tactics and techniques.