CVE-2006-6791 in chatwm
Summary
by MITRE
SQL injection vulnerability in SelGruFra.asp in chatwm 1.0 allows remote attackers to execute arbitrary SQL commands via the (1) txtUse and (2) txtPas parameters.
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Analysis
by VulDB Data Team • 07/29/2024
The vulnerability identified as CVE-2006-6791 represents a critical SQL injection flaw within the chatwm 1.0 web application, specifically affecting the SelGruFra.asp component. This vulnerability exposes the application to remote code execution attacks through improper input validation mechanisms. The flaw manifests when the application fails to adequately sanitize user-supplied data passed through the txtUse and txtPas parameters, which are typically used for username and password authentication respectively. The vulnerability classifies under CWE-89 as a direct SQL injection attack vector, where attacker-controlled input is seamlessly integrated into SQL query structures without proper sanitization or parameterization.
The technical exploitation of this vulnerability occurs when remote attackers submit malicious input through the vulnerable parameters, allowing them to manipulate the underlying database queries executed by the application. The txtUse parameter typically handles username inputs while txtPas manages password inputs, both of which are processed without adequate input filtering or escaping mechanisms. This creates an environment where attackers can inject malicious SQL code that gets executed within the database context, potentially enabling full database access, data exfiltration, or even system compromise. The vulnerability aligns with ATT&CK technique T1190, which describes the use of SQL injection to gain unauthorized access to databases and extract sensitive information.
The operational impact of this vulnerability extends beyond simple data theft, as successful exploitation can lead to complete system compromise and unauthorized access to sensitive user information. Attackers can leverage this vulnerability to perform union-based attacks, error-based exploitation, or time-based blind SQL injection techniques to extract database schemas, user credentials, and other confidential data. The vulnerability affects the authentication mechanism of the chatwm application, potentially allowing attackers to bypass authentication entirely or escalate privileges within the system. Organizations using this vulnerable software face significant risk of data breaches, compliance violations, and potential regulatory penalties due to the exposure of sensitive user information.
Mitigation strategies for this vulnerability must include immediate implementation of proper input validation and parameterized queries to prevent malicious SQL code from being executed. The recommended approach involves implementing proper input sanitization routines that escape special characters and utilize prepared statements or parameterized queries to separate SQL logic from user input. Additionally, the application should implement proper error handling that does not expose database internals to end users, and access controls should be strengthened to limit database access privileges. Network segmentation and intrusion detection systems can provide additional layers of protection, while regular security audits and penetration testing should be conducted to identify and remediate similar vulnerabilities in the application stack. Organizations should also consider implementing web application firewalls to detect and block malicious SQL injection attempts targeting this specific vulnerability.