CVE-2007-4055 in Simple Blog
Summary
by MITRE
SQL injection vulnerability in comments_get.asp in SimpleBlog 3.0 allows remote attackers to execute arbitrary SQL commands via the id parameter. NOTE: this may be related to CVE-2006-4300.
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Analysis
by VulDB Data Team • 09/29/2024
The vulnerability identified as CVE-2007-4055 represents a critical SQL injection flaw within the SimpleBlog 3.0 content management system, specifically affecting the comments_get.asp component. This vulnerability exposes the application to remote code execution attacks through improper input validation mechanisms that fail to sanitize user-supplied data before incorporating it into database queries. The flaw manifests when the application processes the id parameter without adequate sanitization, allowing malicious actors to inject arbitrary SQL commands that can be executed within the database context.
The technical implementation of this vulnerability aligns with CWE-89, which categorizes SQL injection as a direct result of insufficient input validation and sanitization. The flaw occurs at the application layer where user input from the id parameter directly influences the construction of SQL queries without proper parameterization or input filtering. This creates an exploitable condition where attackers can manipulate database operations to retrieve unauthorized data, modify database contents, or even execute system commands depending on the database management system in use. The vulnerability's classification as a remote code execution vector means that attackers do not require local system access to exploit the flaw, making it particularly dangerous for web applications.
The operational impact of this vulnerability extends beyond simple data theft, as it provides attackers with potential access to the underlying database infrastructure and associated application data. Attackers can leverage this vulnerability to extract sensitive information including user credentials, personal data, and application configuration details. The remote nature of the exploit means that attackers can target vulnerable systems from anywhere on the internet without requiring physical access or prior authentication. This makes the vulnerability particularly attractive to threat actors seeking to compromise web applications at scale. The potential for privilege escalation exists when database users have elevated permissions, allowing attackers to perform administrative functions within the database environment.
Mitigation strategies for CVE-2007-4055 should prioritize immediate application patching and input validation implementation. Organizations must implement proper parameterized queries or prepared statements to prevent SQL injection attacks, ensuring that user input cannot influence the structure of database commands. Input validation should include strict sanitization of all parameters, particularly those used in database operations. Additionally, implementing proper access controls and database user privilege management can limit the damage that can be caused by successful exploitation. The vulnerability's relationship to CVE-2006-4300 suggests similar patterns in the SimpleBlog application, indicating that additional security reviews may be necessary to identify and remediate related vulnerabilities within the same codebase. Network-based security controls such as web application firewalls and intrusion detection systems can provide additional layers of protection against exploitation attempts, though these should not be considered a substitute for proper code-level remediation.