CVE-2005-2039 in NanoBlogger
Summary
by MITRE
Unknown vulnerability in "various plugins" for NanoBlogger 3.2.1 and earlier allows remote attackers to execute arbitrary commands.
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Analysis
by VulDB Data Team • 07/09/2018
The vulnerability identified as CVE-2005-2039 represents a critical remote code execution flaw affecting NanoBlogger 3.2.1 and earlier versions. This issue specifically targets "various plugins" within the NanoBlogger content management system, exposing systems to unauthorized command execution capabilities. The vulnerability arises from inadequate input validation and sanitization mechanisms within the plugin architecture, creating a pathway for malicious actors to inject and execute arbitrary commands on affected systems. NanoBlogger, a lightweight blogging platform, was widely used for creating and managing web content through simple plugin extensions that enhanced functionality.
The technical exploitation of this vulnerability stems from improper handling of user-supplied data within the plugin processing modules. Attackers can craft malicious input that bypasses normal security controls, allowing them to execute system commands with the privileges of the web server process. This flaw typically manifests when plugins fail to properly validate or escape user input before processing, creating opportunities for command injection attacks. The vulnerability is particularly dangerous because it affects multiple plugins simultaneously, suggesting a systemic weakness in the plugin architecture's input handling mechanisms rather than isolated issues within individual components.
Operationally, this vulnerability presents significant risks to organizations deploying NanoBlogger systems, as it enables complete system compromise from remote locations. Successful exploitation allows attackers to gain unauthorized access to server resources, potentially leading to data breaches, system infiltration, and further lateral movement within network environments. The impact extends beyond immediate command execution to include potential privilege escalation, data exfiltration, and service disruption. Organizations using vulnerable versions face heightened exposure to advanced persistent threats and automated exploitation attempts targeting known vulnerabilities in web applications.
Mitigation strategies for CVE-2005-2039 require immediate action including upgrading to patched versions of NanoBlogger, implementing proper input validation controls, and applying security hardening measures to plugin architectures. System administrators should disable unnecessary plugins and implement web application firewalls to detect and block malicious input patterns. The vulnerability aligns with CWE-77 and CWE-94 categories related to command injection and code execution flaws, and corresponds to attack techniques in the MITRE ATT&CK framework under T1059 for command and script injection. Regular security assessments and vulnerability scanning should be implemented to identify similar weaknesses in plugin ecosystems and prevent future exploitation attempts.