CVE-2005-3876 in ADC2000 NG Pro
Summary
by MITRE
Multiple SQL injection vulnerabilities in adcbrowres.php in AD Center ADC2000 NG Pro 1.2 and NG Pro Lite allow remote attackers to execute arbitrary SQL commands via the (1) cat and (2) lang parameters.
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Analysis
by VulDB Data Team • 07/27/2017
The vulnerability described in CVE-2005-3876 represents a critical SQL injection flaw in the AD Center ADC2000 NG Pro 1.2 and NG Pro Lite web applications. This vulnerability specifically affects the adcbrowres.php script which serves as a browser resource handler within the ADC2000 product line. The flaw stems from insufficient input validation and sanitization of user-supplied parameters that are directly incorporated into SQL query constructions without proper escaping or parameterization mechanisms. The vulnerability impacts two distinct parameters within the application's request processing pipeline: the cat parameter and the lang parameter, both of which are susceptible to malicious input manipulation that can lead to unauthorized database access and potential system compromise.
The technical exploitation of this vulnerability occurs through the manipulation of HTTP request parameters that are processed by the adcbrowres.php script. When an attacker submits malicious input through either the cat or lang parameters, the application fails to properly sanitize these inputs before incorporating them into SQL database queries. This allows an attacker to inject malicious SQL code that can be executed within the context of the database connection, potentially enabling full database access, data manipulation, and privilege escalation. The vulnerability falls under the CWE-89 category of SQL Injection, which is classified as a critical weakness in software security that allows attackers to execute arbitrary SQL commands on the underlying database server.
The operational impact of this vulnerability extends beyond simple data theft to encompass complete system compromise and unauthorized access to sensitive information. An attacker exploiting this vulnerability could potentially extract confidential data from the database, modify or delete critical information, and gain unauthorized access to administrative functions within the ADC2000 system. The remote nature of the attack means that exploitation can occur from any location without requiring physical access to the system, making it particularly dangerous for networked environments. This vulnerability directly maps to several ATT&CK techniques including T1190 for exploitation of remote services and T1071.004 for application layer protocol usage, as the attack leverages web application interfaces to achieve database-level access.
Mitigation strategies for this vulnerability should focus on immediate input validation and parameterized query implementation. Organizations should implement proper input sanitization techniques that filter or escape special characters that could be used in SQL injection attacks, particularly those related to single quotes, semicolons, and comment delimiters. The most effective long-term solution involves transitioning to parameterized queries or prepared statements that separate SQL code from user input, ensuring that malicious input cannot alter the intended structure of database queries. Additionally, implementing proper access controls and database permissions can limit the damage that could result from successful exploitation, while regular security audits and vulnerability assessments should be conducted to identify similar weaknesses in other application components. Network segmentation and intrusion detection systems can provide additional layers of defense by monitoring for suspicious database access patterns that may indicate exploitation attempts.