CVE-2006-1536 in PhxContacts
Summary
by MITRE
Multiple SQL injection vulnerabilities in Phoetux.net PhxContacts 0.93.1 beta and earlier allow remote attackers to execute arbitrary SQL commands via the (1) motclef and (2) nbr_line_view parameters in (a) carnet.php, and the (3) id_contact parameter in (b) contact_view.php.
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Analysis
by VulDB Data Team • 07/21/2018
The vulnerability described in CVE-2006-1536 represents a critical security flaw in Phoetux.net PhxContacts version 0.93.1 beta and earlier versions, exposing multiple pathways for remote attackers to execute arbitrary SQL commands. This vulnerability falls under the category of SQL injection attacks, which have been consistently ranked among the top cybersecurity threats by organizations including the OWASP Foundation and the MITRE Corporation. The flaw specifically affects the application's handling of user-supplied input parameters without proper sanitization or validation, creating opportunities for malicious actors to manipulate database queries and potentially gain unauthorized access to sensitive information.
The technical implementation of this vulnerability involves three distinct parameter injection points within the application's PHP scripts. The first two parameters, motclef and nbr_line_view, are processed within the carnet.php file, while the third parameter id_contact is handled in contact_view.php. These parameters are directly incorporated into SQL queries without adequate input validation or parameterization, allowing attackers to inject malicious SQL syntax that can alter the intended query behavior. This type of vulnerability is classified as CWE-89 in the Common Weakness Enumeration catalog, which specifically addresses SQL injection flaws in software applications. The attack vector leverages the application's failure to properly escape or sanitize user input before incorporating it into database operations, creating a direct pathway for command execution.
The operational impact of this vulnerability extends beyond simple data theft, as it enables attackers to perform a wide range of malicious activities including data manipulation, unauthorized access to administrative functions, and potential system compromise. Remote attackers can exploit these vulnerabilities to extract confidential information from the database, modify existing records, or even delete critical data. The severity of this flaw is amplified by its accessibility, as it requires no special privileges to exploit and can be executed through standard web browser interactions. According to the ATT&CK framework, this vulnerability maps to the T1190 technique for exploitation of remote services and T1071.004 for application layer protocol usage, demonstrating how attackers can leverage web application vulnerabilities to achieve their objectives. The affected application's lack of proper input validation creates a persistent threat that can be exploited repeatedly until the vulnerability is patched.
Mitigation strategies for this vulnerability require immediate implementation of input validation and parameterized queries across all affected application components. The most effective remediation approach involves implementing proper parameterized queries or prepared statements that separate SQL command structure from user input data. Additionally, developers should implement comprehensive input sanitization routines that validate and filter all user-supplied data before processing. The application should also implement proper access controls and authentication mechanisms to limit the potential impact of successful exploitation attempts. Organizations should conduct regular security assessments and vulnerability scanning to identify similar weaknesses in other applications, as SQL injection vulnerabilities remain one of the most prevalent threats in web application security. The implementation of web application firewalls and input validation rules can provide additional layers of protection while the underlying vulnerabilities are being addressed.