CVE-2009-3750 in ToyLog
Summary
by MITRE
SQL injection vulnerability in read.php in ToyLog 0.1 allows remote attackers to execute arbitrary SQL commands via the idm parameter.
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Analysis
by VulDB Data Team • 12/03/2024
The vulnerability identified as CVE-2009-3750 represents a critical SQL injection flaw within the ToyLog 0.1 web application, specifically affecting the read.php component. This vulnerability resides in the handling of user input through the idm parameter, which is processed without adequate sanitization or validation mechanisms. The flaw enables remote attackers to inject malicious SQL code directly into the application's database queries, potentially compromising the entire backend database infrastructure. The vulnerability classification aligns with CWE-89 which defines SQL injection as the insertion of malicious SQL statements into input fields for execution by the database engine. This particular weakness exists in the context of a logging application, where the attacker could exploit the vulnerability to access sensitive user data, modify database records, or even escalate privileges within the system.
The technical exploitation of this vulnerability occurs when an attacker crafts a malicious payload containing SQL syntax and passes it through the idm parameter in the read.php script. The application fails to properly escape or parameterize the input before incorporating it into database queries, creating an avenue for attackers to manipulate the underlying SQL execution flow. The impact extends beyond simple data retrieval as the attacker can potentially execute arbitrary database commands, including data deletion, modification, or extraction of sensitive information from other database tables. This vulnerability demonstrates poor input validation practices and highlights the critical importance of implementing proper parameterized queries or prepared statements to prevent such injection attacks. The vulnerability affects the application's authentication and authorization mechanisms, potentially allowing unauthorized access to logged information and user accounts.
The operational impact of CVE-2009-3750 is severe for any organization utilizing ToyLog 0.1, as it provides attackers with direct access to the database backend. An attacker could extract confidential information including user credentials, personal data, and application logs that may contain sensitive business information. The vulnerability could also enable attackers to modify or delete data, potentially causing significant disruption to the logging services and compromising the integrity of the system. This weakness creates a persistent threat vector that remains active as long as the vulnerable application is deployed, making it particularly dangerous for organizations that fail to patch or update their systems promptly. The vulnerability's remote exploitability means that attackers do not require physical access to the system, and the attack can be executed from anywhere on the internet, amplifying the potential damage and attack surface.
Mitigation strategies for CVE-2009-3750 must focus on implementing proper input validation and sanitization mechanisms within the ToyLog 0.1 application. The most effective approach involves transitioning from dynamic SQL queries to parameterized queries or prepared statements, which ensures that user input is treated as literal data rather than executable code. Organizations should also implement proper input filtering and sanitization routines that validate and escape all user-supplied data before processing. The application should enforce strict access controls and implement proper error handling that does not expose database structure information to end users. Additionally, regular security assessments and code reviews should be conducted to identify and remediate similar vulnerabilities. From an ATT&CK framework perspective, this vulnerability maps to T1190 - Exploit Public-Facing Application and T1071.1003 - Application Layer Protocol: DNS, demonstrating how attackers can leverage publicly accessible web applications to gain unauthorized database access. Organizations should also consider implementing web application firewalls and intrusion detection systems to monitor for suspicious SQL injection patterns and prevent exploitation attempts.