CVE-2006-2671 in ChatPat
Summary
by MITRE
SQL injection vulnerability in ChatPat 1.0 allows remote attackers to execute arbitrary SQL commands via the nickname field.
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Analysis
by VulDB Data Team • 07/27/2018
The CVE-2006-2671 vulnerability represents a critical sql injection flaw in ChatPat version 1.0 that exposes the application to remote code execution through improper input validation. This vulnerability specifically targets the nickname field within the chat application's user registration or authentication process, creating an exploitable pathway for malicious actors to manipulate underlying database queries. The flaw arises from inadequate sanitization of user-supplied data before incorporating it into sql commands, allowing attackers to inject malicious sql payloads that bypass normal authentication mechanisms. Such vulnerabilities fall under the common weakness enumeration category CWE-89, which specifically addresses sql injection vulnerabilities where untrusted data is directly embedded into sql queries without proper escaping or parameterization.
The operational impact of this vulnerability extends far beyond simple data theft, as remote attackers can leverage the sql injection to execute arbitrary commands on the underlying database server. This capability enables attackers to extract sensitive information including user credentials, personal data, and potentially escalate privileges to gain full administrative control over the database. The vulnerability is particularly dangerous in chat applications where user interaction is frequent and input fields are commonly used for authentication and session management. Attackers can craft malicious nickname inputs that contain sql payload sequences designed to manipulate database structures, extract user tables, or even execute system commands through database-specific functions. The attack vector is straightforward and requires minimal technical expertise, making it attractive to a wide range of threat actors from script kiddies to sophisticated adversaries.
From a defensive perspective, this vulnerability demonstrates the critical importance of implementing proper input validation and parameterized queries in web applications. The recommended mitigations include implementing strict input filtering that sanitizes all user-supplied data, particularly fields used in database operations, and utilizing parameterized sql queries or stored procedures that separate sql code from data. Organizations should also implement proper access controls and database permissions to limit the damage that can be caused by sql injection attacks, ensuring that database accounts used by web applications have minimal required privileges. Additionally, regular security testing including sql injection vulnerability assessments should be conducted to identify similar flaws in legacy applications. The vulnerability aligns with several tactics outlined in the attack framework, including initial access through exploitation of web application vulnerabilities and privilege escalation through database manipulation. Security teams should also consider implementing web application firewalls and intrusion detection systems to monitor for sql injection patterns and block malicious payloads before they can compromise the system.