Executive Summary

[{'type': 'paragraph', 'content': 'CVE-2026-2867 is a critical SQL injection vulnerability found in itsourcecode Vehicle Management System version 1.0, specifically in the file /billaction.php.'}, {'type': 'paragraph', 'content': 'The vulnerability arises from improper handling of the "ID" parameter and several other parameters (such as username, total_km, oil_cost, extra_cost, total_cost) which are directly concatenated into an SQL INSERT statement without any filtering, escaping, or parameterization.'}, {'type': 'paragraph', 'content': 'This lack of input sanitization allows attackers to manipulate SQL queries, enabling various types of SQL injection attacks including boolean-based blind, error-based, and time-based blind injections.'}, {'type': 'paragraph', 'content': 'The attack can be launched remotely without any authentication, making it highly accessible to attackers.'}] [1, 2, 3]

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Impact Analysis

This vulnerability impacts the confidentiality, integrity, and availability of the affected system.

An attacker exploiting this vulnerability can execute arbitrary SQL commands on the backend database, potentially leading to unauthorized data access, data modification, or disruption of service.

Since the exploit is publicly available and requires no authentication, it poses a significant risk of compromise.

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Compliance Impact

I don't know

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Detection Guidance

[{'type': 'paragraph', 'content': 'This SQL injection vulnerability can be detected by testing the vulnerable parameter "id" in the /billaction.php file for SQL injection payloads. Common detection methods include sending crafted SQL injection payloads to the "id" GET parameter and observing the response for anomalies such as errors, delays, or boolean-based differences.'}, {'type': 'list_item', 'content': "Use boolean-based blind SQL injection payloads, for example: id=1' RLIKE (SELECT (CASE WHEN (3561=3561) THEN 1 ELSE 0x28 END)) AND 'elPB'='elPB"}, {'type': 'list_item', 'content': "Use error-based SQL injection payloads, for example: id=1' AND EXTRACTVALUE(5861,CONCAT(0x5c,0x7170706b71,(SELECT (ELT(5861=5861,1))),0x7176716a71)) AND 'AIsC'='AIsC"}, {'type': 'list_item', 'content': "Use time-based blind SQL injection payloads, for example: id=1' AND (SELECT 4196 FROM (SELECT(SLEEP(5)))IIwM) AND 'lXlt'='lXlt"}, {'type': 'paragraph', 'content': 'Additionally, Google Hacking techniques such as searching for inurl:billaction.php can help identify potentially vulnerable targets on your network.'}] [1, 2]

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Mitigation Strategies

[{'type': 'paragraph', 'content': 'Immediate mitigation steps include replacing the vulnerable dynamic SQL query construction with prepared statements and parameterized queries to prevent SQL injection.'}, {'type': 'list_item', 'content': 'Use prepared statements with functions like mysqli_prepare() and mysqli_stmt_bind_param() to ensure user inputs are treated as data, not executable code.'}, {'type': 'list_item', 'content': "Implement authentication and access control by validating session variables (e.g., $_SESSION['admin_id']) at the start of billaction.php to prevent unauthorized access."}, {'type': 'paragraph', 'content': 'Since no official patches or mitigations are available at the time of disclosure, it is recommended to replace the affected component or product to avoid exploitation.'}] [1, 2]

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