CVE-2008-6739 in ASP Download
Summary
by MITRE
Todd Woolums ASP Download management script 1.03 does not require authentication for setupdownload.asp, which allows remote attackers to gain administrator privileges via a direct request.
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Analysis
by VulDB Data Team • 10/27/2024
The vulnerability identified as CVE-2008-6739 affects Todd Woolums ASP Download management script version 1.03, representing a critical authentication bypass flaw that fundamentally undermines the security posture of the affected system. This issue stems from the improper implementation of access controls within the setupdownload.asp component, which fails to enforce any form of authentication mechanism before permitting administrative operations. The vulnerability exists in the context of web applications that utilize Active Server Pages technology, where the lack of proper authorization checks creates a direct pathway for unauthorized users to escalate their privileges and assume administrative roles within the application environment.
The technical flaw manifests as a complete absence of authentication verification in the setupdownload.asp script, allowing any remote attacker to directly access administrative functions without providing valid credentials. This represents a classic case of insufficient authorization checks, which aligns with CWE-285, specifically addressing improper authorization within software components. The vulnerability operates at the application layer where the ASP script fails to validate user identity or role membership before executing privileged operations, creating a pathway for privilege escalation attacks that can be exploited through simple HTTP requests without requiring any sophisticated exploitation techniques. The flaw essentially provides a backdoor mechanism that bypasses all normal authentication procedures and directly grants administrative access to the system.
The operational impact of this vulnerability is severe and far-reaching, as it enables remote attackers to gain full administrative control over the affected system without requiring any specialized tools or knowledge of complex exploitation techniques. Once exploited, the attacker can manipulate download configurations, modify system settings, access sensitive data, and potentially establish persistent access through the compromised administrative account. This vulnerability directly violates fundamental security principles and can lead to complete system compromise, data exfiltration, and potential lateral movement within network environments where the affected application resides. The remote nature of the attack means that exploitation can occur from anywhere on the internet without requiring physical access or network proximity to the target system.
Mitigation strategies for this vulnerability must focus on immediate implementation of proper authentication mechanisms and access controls. The most effective immediate solution involves adding robust authentication checks to the setupdownload.asp script, requiring valid user credentials before allowing any administrative operations to proceed. Security measures should include implementing role-based access control, enforcing session management protocols, and ensuring that all administrative endpoints require proper authorization verification. Organizations should also consider implementing network-level protections such as firewall rules that restrict access to administrative endpoints, and establishing monitoring mechanisms to detect unauthorized access attempts. This vulnerability highlights the critical importance of following secure coding practices and adhering to the principle of least privilege, as outlined in various security frameworks including those referenced in the MITRE ATT&CK framework where such authentication bypass vulnerabilities are categorized under privilege escalation techniques. The remediation process should also include comprehensive code review and security testing to identify similar issues within the application codebase, as this represents a systemic security flaw that may exist in other components of the system.