CVE-2006-1924 in LinPHA
Summary
by MITRE
SQL injection vulnerability in functions/db_api.php in LinPHA 1.1.1 allows remote attackers to execute arbitrary SQL commands via unknown vectors.
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Analysis
by VulDB Data Team • 07/12/2021
The vulnerability identified as CVE-2006-1924 represents a critical sql injection flaw within the LinPHA 1.1.1 web application, specifically within the functions/db_api.php file. This vulnerability exposes the application to remote code execution risks through maliciously crafted sql commands that can be injected into the database layer. The flaw stems from inadequate input validation and sanitization mechanisms that fail to properly escape or filter user-supplied data before incorporating it into sql query constructs. Attackers can exploit this weakness by manipulating input parameters that are directly used in database operations, potentially gaining unauthorized access to sensitive data or executing administrative commands on the underlying database system.
The technical nature of this vulnerability aligns with common weakness enumeration CWE-89, which specifically addresses sql injection vulnerabilities where untrusted data is incorporated into sql commands without proper sanitization. This weakness allows attackers to manipulate the intended flow of sql queries and can result in complete database compromise. The vulnerability operates at the application layer where user inputs are processed and passed to database functions, making it particularly dangerous as it can be exploited through various attack vectors including web forms, url parameters, or api endpoints that utilize the db_api.php functionality. The attack surface is further expanded by the fact that this vulnerability affects the core database abstraction layer of the application, potentially enabling attackers to bypass authentication mechanisms and access restricted database resources.
The operational impact of this vulnerability extends beyond simple data theft, as successful exploitation can lead to complete system compromise and unauthorized administrative access. Attackers can leverage this vulnerability to extract sensitive information such as user credentials, personal data, or business-critical records stored within the database. The remote execution capability means that attackers do not require physical access to the system and can exploit the vulnerability from any location with internet connectivity. This vulnerability also enables privilege escalation attacks where attackers can manipulate database queries to gain elevated permissions or execute administrative commands that would normally be restricted to authorized users. The potential for data corruption and system disruption further compounds the security implications, as malicious actors could modify or delete critical database entries.
Mitigation strategies for this vulnerability should focus on implementing comprehensive input validation and parameterized query execution throughout the application codebase. The most effective remediation involves replacing direct sql string concatenation with prepared statements or parameterized queries that separate sql code from data inputs. Organizations should also implement proper input sanitization routines that filter or escape special characters commonly used in sql injection attacks including single quotes, semicolons, and comment markers. Additionally, the principle of least privilege should be enforced by ensuring database accounts used by the web application have minimal required permissions and access only necessary database objects. Network-level protections such as web application firewalls and intrusion detection systems can provide additional layers of defense by monitoring for suspicious sql patterns and blocking known attack signatures. Regular security assessments and code reviews should be conducted to identify similar vulnerabilities within the application and ensure proper implementation of secure coding practices throughout the software development lifecycle.