CVE-2005-1378 in Phpbb Personal Notes Module
Summary
by MITRE
SQL injection vulnerability in posting_notes.php in the notes module for phpBB allows remote attackers to execute arbitrary SQL commands via the p parameter, which is used in the $post_id variable, and other attack vectors.
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Analysis
by VulDB Data Team • 09/25/2025
The vulnerability described in CVE-2005-1378 represents a critical SQL injection flaw within the notes module of phpBB version 2.0.11 and earlier. This security weakness exists in the posting_notes.php script where user input is improperly handled, creating an avenue for malicious actors to manipulate database queries. The vulnerability specifically targets the p parameter which is directly incorporated into the $post_id variable without adequate sanitization or validation, allowing attackers to inject malicious SQL code that gets executed within the database context. This flaw demonstrates a classic lack of input validation and proper parameterization in database operations, which is a fundamental security principle in web application development.
The technical exploitation of this vulnerability occurs when an attacker crafts a malicious payload containing SQL syntax within the p parameter of the posting_notes.php script. The application processes this input directly in the SQL query without proper escaping or parameter binding mechanisms, enabling the attacker to manipulate the intended database behavior. This allows for unauthorized data access, modification, or deletion, potentially leading to complete database compromise. The vulnerability falls under CWE-89 which specifically addresses SQL injection flaws where untrusted data is incorporated into SQL commands without proper validation or escaping. The attack vector leverages the application's failure to implement proper input sanitization, creating a pathway for attackers to bypass authentication mechanisms and execute arbitrary database commands.
The operational impact of this vulnerability extends beyond simple data theft, as it provides attackers with the capability to gain full administrative control over the affected phpBB installation. Remote attackers can exploit this weakness to extract sensitive user information including usernames, passwords, and private messages stored within the database. Additionally, the vulnerability enables attackers to modify or delete forum content, potentially disrupting service availability and compromising the integrity of the entire forum system. This type of vulnerability aligns with ATT&CK technique T1190 which describes the exploitation of vulnerabilities in web applications to gain unauthorized access to systems. The widespread adoption of phpBB made this vulnerability particularly dangerous as it affected numerous websites and forums that relied on this bulletin board system for their communication platforms.
Mitigation strategies for CVE-2005-1378 require immediate implementation of input validation and parameterized queries to prevent SQL injection attacks. Organizations should upgrade to phpBB version 2.0.12 or later where this vulnerability has been patched through proper input sanitization and query parameterization. The recommended approach includes implementing prepared statements with bound parameters, which ensures that user input is treated as literal data rather than executable code. Additionally, input validation should be enforced at multiple layers including application-level filtering, database-level restrictions, and web application firewalls. Security measures should also include regular vulnerability assessments and code reviews to identify similar injection vulnerabilities in other parts of the application. The fix implemented in the patched versions demonstrates the importance of proper input handling and follows industry best practices for preventing SQL injection attacks as outlined in OWASP Top Ten and NIST cybersecurity guidelines.