CVE-2008-6391 in Jbook
Summary
by MITRE
SQL injection vulnerability in main.asp in Jbook allows remote attackers to execute arbitrary SQL commands via the username (user parameter).
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 10/29/2024
The CVE-2008-6391 vulnerability represents a critical sql injection flaw in the jbook application's main.asp component that enables remote attackers to execute arbitrary sql commands through manipulation of the username parameter. This vulnerability resides within the web application's input validation mechanisms, specifically failing to properly sanitize user-supplied data before incorporating it into sql query constructs. The flaw manifests when the application processes user input without adequate filtering or escaping, creating an exploitable pathway for malicious actors to inject sql payloads that bypass authentication mechanisms and gain unauthorized access to backend database systems.
The technical exploitation of this vulnerability follows standard sql injection attack patterns where the attacker crafts a malicious username parameter containing sql commands that are then executed by the vulnerable application. This allows for complete database compromise including data extraction, modification, or deletion of sensitive information stored within the jbook application's database infrastructure. The vulnerability directly maps to CWE-89 which categorizes sql injection as a fundamental weakness in application security, where improper input handling leads to unauthorized database access. Attackers can leverage this flaw to bypass authentication, retrieve confidential user data, manipulate database contents, or even escalate privileges within the database environment.
The operational impact of CVE-2008-6391 extends beyond simple data theft to encompass complete system compromise and potential lateral movement within network environments. Since jbook applications often handle user authentication and personal information, successful exploitation can lead to unauthorized account access, identity theft, and disruption of business operations. The vulnerability affects the application's integrity and confidentiality properties, potentially allowing attackers to modify user credentials, alter application behavior, or establish persistent access points. This type of vulnerability aligns with ATT&CK technique T1190 which describes the exploitation of vulnerabilities in web applications to gain unauthorized access to systems and data.
Mitigation strategies for this vulnerability require immediate implementation of proper input validation and parameterized queries to prevent sql injection attacks. Organizations should implement proper input sanitization techniques, utilize prepared statements or parameterized queries, and establish robust input validation mechanisms that filter or escape malicious characters before processing user data. The application should employ proper error handling that does not expose database information to end users, and implement least privilege database access controls to limit the impact of successful exploitation. Regular security assessments, code reviews, and vulnerability scanning should be conducted to identify and remediate similar weaknesses in web applications. Additionally, implementing web application firewalls and intrusion detection systems can provide additional layers of protection against sql injection attacks targeting this class of vulnerability.