CVE-2006-7088 in Simple PHP Forum
Summary
by MITRE
Multiple SQL injection vulnerabilities in Simple PHP Forum before 0.4 allow remote attackers to execute arbitrary SQL commands via the username parameter to (1) logon_user.php and (2) update_profile.php.
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Analysis
by VulDB Data Team • 10/14/2017
The vulnerability identified as CVE-2006-7088 represents a critical security flaw in Simple PHP Forum version 0.4 and earlier, where multiple SQL injection vulnerabilities exist in the authentication and user profile update components. This vulnerability falls under the Common Weakness Enumeration category CWE-89, which specifically addresses SQL injection weaknesses in software applications. The flaw allows remote attackers to execute arbitrary SQL commands by manipulating the username parameter in two key files: logon_user.php and update_profile.php, making it a significant threat to the integrity and confidentiality of user data within the forum system.
The technical implementation of this vulnerability stems from improper input validation and sanitization within the Simple PHP Forum application. When users attempt to log in or update their profiles, the application fails to properly escape or filter the username parameter before incorporating it into SQL queries. This lack of input sanitization creates an exploitable condition where malicious actors can inject crafted SQL payloads that bypass authentication mechanisms and gain unauthorized access to database contents. The vulnerability affects both authentication and profile update functionalities, expanding the potential attack surface and increasing the risk of data compromise. Attackers can leverage this flaw to perform unauthorized database operations including but not limited to data extraction, modification, or deletion, potentially leading to complete system compromise.
The operational impact of CVE-2006-7088 extends beyond simple data theft, as it provides attackers with the capability to manipulate user accounts and potentially escalate privileges within the forum environment. This vulnerability directly violates fundamental security principles of input validation and database query construction, creating a persistent threat that remains active until the software is updated or patched. The remote nature of the attack means that adversaries do not require physical access to the system, significantly increasing the attack surface and making the vulnerability particularly dangerous for online forums that store sensitive user information. The vulnerability's presence in core authentication components makes it especially dangerous as it can be exploited to gain unauthorized access to user accounts and potentially compromise the entire forum infrastructure.
Mitigation strategies for this vulnerability should prioritize immediate patching of the Simple PHP Forum application to version 0.4 or later, where the SQL injection flaws have been addressed. Organizations should implement proper input validation and parameterized queries to prevent similar vulnerabilities in their applications, following the principle of least privilege and secure coding practices. The remediation process should include thorough code review to identify and address other potential SQL injection vectors within the application, as well as implementing proper database access controls and monitoring mechanisms to detect unauthorized database access attempts. Additionally, system administrators should consider implementing web application firewalls and intrusion detection systems to provide additional layers of protection against exploitation attempts, while ensuring that all user inputs are properly sanitized before being processed by the application's database components.