CVE-2007-3774 in Dvbbs
Summary
by MITRE
Dvbbs 7.1.0 SP1 stores sensitive information under the web root with insufficient access control, which allows remote attackers to download a database via a direct request for Data/Dvbbs7.mdb.
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Analysis
by VulDB Data Team • 09/15/2017
The vulnerability identified as CVE-2007-3774 represents a critical misconfiguration issue within Dvbbs 7.1.0 SP1 software that exposes sensitive data through improper access controls. This flaw resides in the web application's handling of database files, specifically the Dvbbs7.mdb file that contains potentially sensitive information. The vulnerability stems from the application's failure to implement proper authorization mechanisms when serving database files, allowing unauthenticated remote attackers to directly access and download the database without any authentication or permission checks.
The technical implementation of this vulnerability involves the web server configuration where database files are stored in directories accessible through standard web requests. When Dvbbs 7.1.0 SP1 places the Data/Dvbbs7.mdb file under the web root directory, it creates an attack surface where any remote user can construct a direct URL request to access the database file. This misconfiguration aligns with CWE-22, which describes improper limitation of a pathname to a restricted directory, commonly known as path traversal vulnerabilities. The flaw essentially creates a directory listing or file access vulnerability where the web application fails to enforce proper access controls on sensitive resources.
The operational impact of this vulnerability extends beyond simple information disclosure, as the downloaded database may contain user credentials, personal information, forum data, and potentially system configuration details. Attackers can leverage this vulnerability to gain unauthorized access to user accounts, personal data, and system information that could be used for further exploitation or identity theft. The vulnerability affects the confidentiality and integrity aspects of the CIA triad, as it allows unauthorized data access and could enable attackers to modify the database contents if they can write to the web directory.
Security professionals should consider this vulnerability in relation to the ATT&CK framework's initial access techniques, particularly those involving exploitation of weak access control mechanisms. The vulnerability also relates to privilege escalation and credential access categories within ATT&CK, as the database may contain user credentials or other sensitive information that could be leveraged for deeper system compromise. Organizations should implement proper access control measures including authentication checks, authorization enforcement, and secure file storage practices to prevent such vulnerabilities from occurring.
Mitigation strategies for CVE-2007-3774 should include immediate removal of database files from web-accessible directories and implementation of proper access controls using web server configuration files or application-level authentication mechanisms. The recommended approach involves moving database files outside the web root directory and ensuring that all file access requests are properly authenticated and authorized. Additionally, implementing proper input validation, access control lists, and regular security audits can help prevent similar vulnerabilities in web applications. Organizations should also consider implementing web application firewalls and monitoring for suspicious file access patterns to detect potential exploitation attempts. The vulnerability highlights the importance of secure configuration management and proper separation of concerns between application logic and data storage in web applications.