CVE-2008-6322 in CFMBlog
Summary
by MITRE
SQL injection vulnerability in index.cfm in CFMSource CFMBlog allows remote attackers to execute arbitrary SQL commands via the categorynbr parameter.
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Analysis
by VulDB Data Team • 11/18/2024
The vulnerability identified as CVE-2008-6322 represents a critical sql injection flaw within the CFMSource CFMBlog application's index.cfm component. This vulnerability specifically targets the categorynbr parameter, which serves as an entry point for malicious input that can be exploited by remote attackers to execute arbitrary sql commands on the underlying database system. The flaw stems from inadequate input validation and sanitization mechanisms within the application's data handling processes, allowing attackers to inject malicious sql payloads directly into the database query execution flow.
The technical implementation of this vulnerability aligns with CWE-89, which categorizes sql injection as a persistent weakness in software applications. When the categorynbr parameter is processed without proper sanitization, the application constructs sql queries that concatenate user-supplied input directly into the database command structure. This creates an exploitable condition where an attacker can manipulate the sql execution context by injecting malicious sql syntax such as union select statements, or conditional operators that alter the intended query behavior. The vulnerability exists at the application layer where user input transitions into database operations, making it a prime target for attackers seeking to gain unauthorized access to sensitive data or system resources.
The operational impact of this vulnerability extends beyond simple data theft, as it provides attackers with the capability to perform complete database compromise operations. Remote attackers can leverage this vulnerability to extract confidential information, modify or delete database records, and potentially escalate privileges within the database environment. The attack vector is particularly dangerous because it requires no special privileges or authentication to exploit, making it accessible to anyone who can access the vulnerable web application. This vulnerability also enables attackers to bypass traditional security controls and gain direct access to backend database systems that may contain sensitive user information, application configuration data, or business-critical records.
Mitigation strategies for CVE-2008-6322 should focus on implementing robust input validation and parameterized query execution practices. Organizations should immediately apply the vendor-provided patches or updates that address this specific vulnerability in the CFMSource CFMBlog application. Additionally, implementing proper input sanitization measures including whitelisting of acceptable parameter values, escaping of special characters, and utilization of prepared statements or parameterized queries can effectively prevent sql injection attacks. Security monitoring should include regular scanning for similar vulnerabilities in legacy applications, as this type of flaw often indicates broader security weaknesses within the application architecture. The implementation of web application firewalls and database activity monitoring solutions can provide additional layers of protection against exploitation attempts. Organizations should also consider implementing the principle of least privilege for database accounts used by web applications, ensuring that applications only have access to the minimum database permissions required for their legitimate operations. This vulnerability demonstrates the critical importance of maintaining up-to-date security practices and the potential consequences of failing to address known vulnerabilities in legacy web applications.