CVE-2006-4487 in DUpoll
Summary
by MITRE
DUware DUpoll 3.0 and 3.1 stores _private/Dupoll.mdb under the web document root with insufficient access control, which allows remote attackers to obtain sensitive information such as usernames and passwords.
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Analysis
by VulDB Data Team • 08/03/2018
The vulnerability identified as CVE-2006-4487 affects DUware DUpoll versions 3.0 and 3.1, representing a critical security flaw in web application configuration and access control mechanisms. This issue stems from improper file placement and permission settings within the web server environment, creating an avenue for unauthorized information disclosure. The affected application stores its database file Dupoll.mdb in a location that is publicly accessible through the web document root, fundamentally undermining the security model of the application.
The technical flaw manifests in the application's failure to implement proper access controls for sensitive database files. The _private/Dupoll.mdb file contains user credentials and other confidential information, yet it resides in a directory structure that allows remote attackers to directly access it through standard web requests. This configuration violates fundamental security principles of least privilege and proper resource isolation. The vulnerability specifically relates to CWE-264, which addresses permissions, privileges, and access controls, and represents a classic case of insecure direct object reference where the database file can be accessed directly without proper authentication or authorization checks.
From an operational perspective, this vulnerability creates significant risk for organizations using affected versions of DUpoll, as it enables remote attackers to obtain sensitive user information including usernames and passwords. The impact extends beyond simple credential theft, potentially allowing attackers to escalate privileges, gain persistent access to systems, or conduct further attacks within the network. The vulnerability is particularly dangerous because it requires no special exploitation techniques beyond standard web browsing capabilities, making it accessible to attackers with minimal technical expertise. This aligns with ATT&CK technique T1566 which covers credential harvesting through various means including web application vulnerabilities.
The security implications of this flaw are substantial, as it demonstrates poor security hygiene in application deployment and configuration management. Organizations running affected software face potential data breaches, compliance violations, and reputational damage when sensitive user information becomes accessible to unauthorized parties. The vulnerability also highlights the importance of proper application hardening and secure configuration practices. Effective mitigations include immediately moving the database file outside of the web document root, implementing proper access controls through web server configuration, and ensuring that sensitive files are not directly accessible via web requests. Additionally, regular security assessments and vulnerability scanning should be conducted to identify similar misconfigurations in other applications and systems.