CVE-2008-6376 in Jbook
Summary
by MITRE
SQL injection vulnerability in main.asp in Jbook allows remote attackers to execute arbitrary SQL commands via the password (pass parameter).
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Analysis
by VulDB Data Team • 11/02/2024
The CVE-2008-6376 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 the password parameter. This vulnerability resides within the authentication handling mechanism of the web application, where user input is inadequately sanitized before being incorporated into database queries. The flaw specifically manifests when the application processes the pass parameter without proper input validation or parameterization, creating an avenue for malicious actors to manipulate the underlying sql execution flow. The vulnerability is classified under the common weakness enumeration cwe-89 which specifically addresses sql injection flaws where untrusted data is directly embedded into sql commands without proper escaping or parameterization techniques.
The technical exploitation of this vulnerability occurs when an attacker submits malicious sql code through the password field during the authentication process. The web application fails to implement proper input sanitization or parameterized queries, allowing the attacker to inject sql payloads that bypass authentication mechanisms and potentially gain unauthorized access to the database. This type of vulnerability falls under the attack technique described in the attack tree framework where attackers leverage application input validation weaknesses to achieve privilege escalation and data access. The impact extends beyond simple authentication bypass as successful exploitation could lead to complete database compromise, data exfiltration, and potential lateral movement within the network infrastructure.
The operational impact of CVE-2008-6376 is severe and multifaceted, affecting both the confidentiality and integrity of the targeted system. Organizations utilizing vulnerable jbook applications face significant risk of unauthorized data access, including user credentials, personal information, and potentially sensitive business data stored within the database. The vulnerability's remote exploitability means that attackers can target the system from external networks without requiring physical access or prior authentication. This exposure creates a substantial risk profile that aligns with the nist risk assessment framework, where the combination of exploitability and impact severity places this vulnerability in a critical risk category. Additionally, the vulnerability may enable attackers to perform data manipulation, create backdoor accounts, or execute destructive operations against the database infrastructure.
Mitigation strategies for CVE-2008-6376 should focus on implementing proper input validation and parameterized queries throughout the application codebase. The primary defense mechanism involves replacing direct sql string concatenation with parameterized sql queries that separate user input from sql command structure. Organizations should implement strict input validation routines that filter or reject malicious characters commonly associated with sql injection attacks such as single quotes, semicolons, and comment delimiters. The implementation of web application firewalls and input sanitization middleware can provide additional protective layers. Security patches should be applied immediately to address the underlying vulnerability in the jbook application, while organizations should conduct comprehensive code reviews to identify similar patterns across other application components. The vulnerability demonstrates the importance of following secure coding practices and adheres to the principle of least privilege, where database access should be restricted to only necessary operations and properly validated inputs. Regular security assessments and penetration testing should be conducted to identify and remediate similar vulnerabilities in the application infrastructure.