CVE-2005-3076 in Simplog
Summary
by MITRE
Simplog 0.9.1 might allow remote attackers to execute arbitrary SQL commands or trigger SQL error messages via invalid (1) pid, (2) blogid, (3) cid, or (4) m parameters to archive.php, or the (5) blogid parameter to blogadmin.php.
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Analysis
by VulDB Data Team • 07/12/2018
This vulnerability exists in Simplog version 0.9.1 and represents a classic sql injection flaw that could enable remote attackers to execute arbitrary sql commands or trigger sql error messages. The vulnerability affects multiple parameters across different php files including archive.php and blogadmin.php, making it particularly dangerous as it provides multiple attack vectors for exploitation. The affected parameters include pid, blogid, cid, m, and blogid which are all processed without proper input validation or sanitization, creating opportunities for malicious sql code injection.
The technical nature of this vulnerability aligns with common weakness enumeration CWE-89 which specifically addresses sql injection vulnerabilities in software applications. This weakness allows attackers to manipulate database queries by injecting malicious sql code through input parameters. The vulnerability operates at the application level where user-supplied data is directly incorporated into sql queries without proper escaping or parameterization techniques. When attackers manipulate the pid, blogid, cid, or m parameters, they can potentially bypass authentication mechanisms, extract sensitive data, modify database contents, or cause denial of service conditions through error message generation.
The operational impact of this vulnerability is significant as it provides remote attackers with the capability to compromise the entire database backend of the affected system. Attackers could exploit these parameters to perform unauthorized data access, data modification, or complete database destruction depending on their privileges and the underlying database configuration. The fact that multiple parameters across different files are vulnerable increases the attack surface and makes exploitation more likely. The vulnerability could be exploited through simple web browser manipulation or automated tools, making it particularly dangerous for systems with public web access.
Mitigation strategies should focus on implementing proper input validation and sanitization techniques across all affected parameters. The recommended approach involves using prepared statements or parameterized queries to ensure that user input cannot alter the sql command structure. Additionally, implementing proper input filtering, output encoding, and least privilege access controls would significantly reduce the risk of exploitation. The application should validate all input parameters against expected data types and ranges, and implement proper error handling that does not expose database internals to end users. Regular security audits and code reviews should be conducted to identify similar vulnerabilities in other parts of the application. Organizations should also consider implementing web application firewalls and intrusion detection systems to monitor for suspicious activity related to sql injection attempts. This vulnerability demonstrates the critical importance of following secure coding practices and adhering to the principle of least privilege in web application development.
This vulnerability type is categorized under the attack technique known as sql injection within the mitre attack framework, specifically mapping to techniques that involve command execution and data manipulation. The exploitation of such vulnerabilities often leads to complete system compromise when combined with other attack vectors, making proper security implementation essential for protecting web applications from unauthorized access and data breaches.