CVE-2007-0693 in DGNews
Summary
by MITRE
SQL injection vulnerability in news.php in DGNews 2.1 allows remote attackers to execute arbitrary SQL commands via the catid parameter in a newslist action. NOTE: this issue can produce resultant cross-site scripting (XSS).
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Analysis
by VulDB Data Team • 08/03/2025
The vulnerability identified as CVE-2007-0693 represents a critical security flaw in DGNews 2.1's news.php script that exposes the application to remote code execution through SQL injection techniques. This vulnerability specifically targets the catid parameter within the newslist action, creating a pathway for malicious actors to manipulate the underlying database queries. The flaw stems from inadequate input validation and sanitization mechanisms that fail to properly filter user-supplied data before incorporating it into SQL command structures. When an attacker submits malicious input through the catid parameter, the application processes this data without sufficient security controls, allowing the injected SQL code to execute within the database context with the privileges of the application's database user account.
The technical implementation of this vulnerability aligns with CWE-89, which categorizes SQL injection flaws as weaknesses in software that allows attackers to manipulate database queries through untrusted input. The vulnerability operates by bypassing normal input validation procedures and directly injecting malicious SQL syntax into the application's query execution flow. This type of injection occurs when user-controllable data is concatenated directly into SQL statements without proper parameterization or escaping mechanisms. The attack vector specifically exploits the newslist action within the news.php script, where the catid parameter serves as the primary entry point for malicious SQL code injection attempts.
The operational impact of this vulnerability extends beyond simple database manipulation to include potential cross-site scripting consequences as noted in the CVE description. When successful, attackers can execute arbitrary SQL commands that may grant them access to sensitive data, modify database contents, or even escalate privileges within the database system. The presence of XSS potential indicates that the vulnerability can be leveraged to inject malicious scripts into web pages viewed by other users, creating additional attack surfaces and potential for further exploitation. This dual nature of the vulnerability significantly increases the risk profile and potential damage that can be inflicted upon affected systems.
Organizations utilizing DGNews 2.1 should implement immediate mitigations including input validation, parameterized queries, and proper output encoding to prevent SQL injection attacks. The recommended approach involves implementing strict input filtering that validates the catid parameter against expected data types and ranges, while also adopting prepared statements or parameterized queries to ensure that user input cannot alter the intended structure of SQL commands. Additionally, implementing proper access controls and database privilege management can limit the damage that could result from successful exploitation. Security teams should also consider deploying web application firewalls and intrusion detection systems to monitor for suspicious query patterns that may indicate exploitation attempts. The vulnerability demonstrates the critical importance of input validation and proper database interaction practices as outlined in industry security frameworks and standards.