CVE-2008-6770 in YourPlace
Summary
by MITRE
YourPlace 1.0.2 and earlier stores sensitive information under the web root with insufficient access control, which allows remote attackers to a database containing user credentials via a direct request for users.txt.
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Analysis
by VulDB Data Team • 11/20/2024
The vulnerability identified as CVE-2008-6770 affects YourPlace versions 1.0.2 and earlier, representing a critical security flaw in web application configuration and access control mechanisms. This issue stems from improper handling of sensitive data within the application's file structure, where user credentials are stored in a location accessible to remote attackers without adequate authentication or authorization checks. The vulnerability specifically manifests when attackers can directly request a file named users.txt, which contains database information including user credentials, thereby exposing confidential authentication data to unauthorized parties.
The technical flaw underlying this vulnerability resides in the application's improper file system permissions and web server configuration. When sensitive information such as user credentials is stored under the web root directory, it becomes accessible through standard web requests without requiring proper authentication mechanisms. This represents a fundamental violation of secure coding practices and demonstrates poor understanding of access control principles. The vulnerability is classified as a weakness in access control mechanisms, aligning with CWE-284 which addresses improper access control, and more specifically CWE-552 which deals with files with insecure permissions. The flaw essentially creates an insecure direct object reference scenario where attackers can directly access files they should not be able to reach through normal application workflows.
The operational impact of this vulnerability is severe and far-reaching for any organization using affected versions of YourPlace. Remote attackers can immediately obtain user credentials, usernames, and potentially passwords, enabling them to gain unauthorized access to user accounts and potentially escalate privileges within the application. This exposure creates a pathway for account takeover attacks, data breaches, and unauthorized system access. The vulnerability is particularly dangerous because it requires no special privileges or complex exploitation techniques - attackers can simply make a direct HTTP request to access the users.txt file, making it highly exploitable and potentially affecting multiple users simultaneously. The exposed credentials could be used for lateral movement within networks, credential stuffing attacks against other services, or to gain persistence within the targeted environment.
Mitigation strategies for this vulnerability must address both the immediate security issue and the underlying architectural problems. Organizations should immediately move sensitive data files outside of the web root directory and implement proper access controls using web server configuration files or application-level authentication mechanisms. The recommended approach involves configuring web server permissions to prevent direct access to sensitive files, implementing proper authentication checks before allowing access to user data, and ensuring that all sensitive information is properly encrypted both at rest and in transit. Security measures should include regular security audits of file permissions, implementation of web application firewalls, and deployment of intrusion detection systems to monitor for unauthorized access attempts. This vulnerability demonstrates the critical importance of following secure coding practices and the principle of least privilege in web application development, aligning with ATT&CK technique T1078 which covers valid accounts and T1566 which addresses credential access through various attack vectors. Additionally, organizations should implement regular vulnerability assessments and penetration testing to identify similar misconfigurations that could lead to credential exposure and unauthorized access to sensitive data.