CVE-2002-2277 in PortailPHP
Summary
by MITRE
SQL injection vulnerability in mod_search/index.php in PortailPHP 0.99 allows remote attackers to execute arbitrary SQL commands via the (1) $rech, (2) $BD_Tab_docs, (3) $BD_Tab_file, (4) $BD_Tab_liens, (5) $BD_Tab_faq, or (6) $chemin variables.
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Analysis
by VulDB Data Team • 04/20/2019
This vulnerability exists in PortailPHP version 0.99 within the mod_search/index.php component where improper input validation allows remote attackers to inject malicious SQL commands through multiple variable parameters. The affected variables include $rech, $BD_Tab_docs, $BD_Tab_file, $BD_Tab_liens, $BD_Tab_faq, and $chemin which are directly incorporated into SQL queries without adequate sanitization or parameterization. This represents a classic sql injection flaw that falls under CWE-89, which specifically addresses improper neutralization of special elements used in SQL commands. The vulnerability enables attackers to manipulate database queries and potentially execute arbitrary commands on the underlying database server, compromising data integrity and confidentiality.
The operational impact of this vulnerability extends beyond simple data extraction to include complete database compromise, unauthorized data modification, and potential privilege escalation within the application's database environment. Attackers can leverage this weakness to bypass authentication mechanisms, access sensitive user information, modify or delete database records, and potentially gain deeper system access through database-level commands. The attack surface is particularly concerning as it affects multiple database table references within the search functionality, providing attackers with extensive opportunities to manipulate various data components of the portal system. This vulnerability aligns with ATT&CK technique T1071.005 for application layer protocol usage and T1190 for exploitation of vulnerabilities in software applications.
Mitigation strategies should focus on implementing proper input validation and parameterized queries to prevent sql injection attacks. All user-supplied input must be sanitized and validated before being incorporated into database queries, with preferably using prepared statements or stored procedures that separate SQL code from data. The application should also implement proper error handling to prevent information disclosure that could aid attackers in crafting successful injection payloads. Additionally, input length restrictions and whitelist validation should be enforced for all parameters. Network-level protections such as web application firewalls and database access controls should be implemented to provide additional defense layers. Regular security audits and code reviews should be conducted to identify similar vulnerabilities in other components of the application, ensuring comprehensive protection against sql injection threats across the entire system architecture.