CVE-2008-6319 in Cf Calendar
Summary
by MITRE
SQL injection vulnerability in calendarevent.cfm in CF_Calendar allows remote attackers to execute arbitrary SQL commands via the calid parameter.
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Analysis
by VulDB Data Team • 11/18/2024
The vulnerability identified as CVE-2008-6319 represents a critical sql injection flaw in the CF_Calendar application's calendarevent.cfm component. This vulnerability specifically targets the calid parameter, which serves as an input field for calendar event identification. The flaw arises from insufficient input validation and sanitization mechanisms within the application's data processing pipeline, allowing malicious actors to inject arbitrary sql commands through the vulnerable parameter. The vulnerability falls under the category of improper neutralization of special elements used in sql commands as defined by CWE-89, which is a fundamental weakness in software applications that directly leads to sql injection attacks.
The technical exploitation of this vulnerability occurs when an attacker manipulates the calid parameter in the url to include malicious sql payload. The application fails to properly escape or validate the input before incorporating it into sql queries, creating an opportunity for attackers to execute unauthorized database operations. This includes potential data extraction, modification, or deletion of sensitive information stored within the calendar application's database. The attack vector is remote, meaning that an attacker can exploit this vulnerability without requiring physical access to the target system, making it particularly dangerous in web-based environments.
The operational impact of this vulnerability extends beyond simple data compromise, as it can lead to complete database exposure and potential system compromise. Attackers can leverage this vulnerability to escalate privileges, access confidential calendar entries, user credentials, and other sensitive data stored within the application's backend database. The vulnerability also enables potential lateral movement within network environments where the calendar application may be integrated with other systems. According to ATT&CK framework, this vulnerability maps to T1071.004 for application layer protocol and T1046 for network service scanning, as attackers often use such vulnerabilities to gather intelligence and establish persistent access to target systems.
Mitigation strategies for CVE-2008-6319 should focus on implementing robust input validation and parameterized queries to prevent sql injection attacks. The most effective approach involves using prepared statements or parameterized queries that separate sql code from data inputs, ensuring that user-supplied data cannot be interpreted as sql commands. Additionally, implementing proper input sanitization, output encoding, and least privilege access controls can significantly reduce the attack surface. Organizations should also deploy web application firewalls and intrusion detection systems to monitor for suspicious sql injection patterns and maintain regular security assessments to identify similar vulnerabilities in other application components. The vulnerability demonstrates the critical importance of following secure coding practices and adhering to established security standards such as those outlined in the owasp top ten and nist cybersecurity framework.