CVE-2024-9327: Blood Bank System SQL Injection Flaw

CVE-2024-9327 Overview

CVE-2024-9327 is a SQL injection vulnerability [CWE-89] in code-projects Blood Bank System 1.0. The flaw resides in the /forgot.php script, where the useremail parameter is passed directly into a SQL query without proper sanitization. Remote attackers can manipulate this parameter to alter the underlying query logic. The exploit has been publicly disclosed, increasing the risk of opportunistic attacks against exposed deployments. The vulnerability affects the password recovery workflow, which is typically accessible without authentication.

Critical Impact

Remote attackers can inject arbitrary SQL through the useremail parameter in /forgot.php, enabling unauthorized database access against vulnerable Blood Bank System 1.0 deployments.

Affected Products

• code-projects Blood Bank System 1.0
• Deployments exposing /forgot.php to untrusted networks
• Installations using the default database schema bundled with the application

Discovery Timeline

• 2024-09-29 - CVE-2024-9327 published to NVD
• 2024-10-02 - Last updated in NVD database

Technical Details for CVE-2024-9327

Vulnerability Analysis

The vulnerability is a classic SQL injection [CWE-89] in the password recovery component of code-projects Blood Bank System 1.0. The forgot.php script accepts a useremail value from the client and concatenates it into a SQL statement used to look up the requesting account. Because the input is not parameterized or escaped, attackers can break out of the intended string literal and append arbitrary SQL clauses. The attack requires no authentication beyond what /forgot.php already exposes, and it can be initiated remotely over the network.

Root Cause

The root cause is improper neutralization of special elements used in a SQL command. The application builds queries through direct string concatenation rather than using prepared statements or parameterized queries. Input validation on the useremail parameter is either missing or insufficient to block SQL metacharacters.

Attack Vector

An attacker sends a crafted HTTP request to /forgot.php with a malicious useremail value. The injected payload can use boolean-based, error-based, or UNION-based techniques to extract data from the backing database. Public exploit documentation referenced in the GitHub CVE Exploit Documentation and VulDB ID #278836 describes the manipulation pattern. No user interaction is required, and the request can be issued from any host with network access to the application.

No verified proof-of-concept code is reproduced here. Refer to the linked advisories for technical specifics of the injected payload.

Detection Methods for CVE-2024-9327

Indicators of Compromise

• HTTP POST or GET requests to /forgot.php containing SQL metacharacters such as single quotes, UNION SELECT, OR 1=1, or comment sequences (--, #) in the useremail parameter
• Web server access logs showing repeated /forgot.php submissions from a single source with varying useremail values
• Database error messages or anomalous query patterns originating from the Blood Bank System application user
• Unexpected outbound data flows from the database host following requests to /forgot.php

Detection Strategies

• Deploy web application firewall (WAF) rules that inspect the useremail parameter for SQL injection signatures
• Enable database query logging and alert on queries referencing the forgot.php workflow that contain UNION, SLEEP, or boolean tautologies
• Correlate web access logs with database audit logs to identify suspicious sequences targeting authentication tables

Monitoring Recommendations

• Monitor request volume and error rates on /forgot.php to detect injection probing
• Track failed login and password-reset events for anomalous spikes tied to the same source IP
• Forward web server and database logs to a centralized analytics platform for correlation and retention

How to Mitigate CVE-2024-9327

Immediate Actions Required

• Restrict network exposure of the Blood Bank System application until a fix is applied, using IP allowlists or VPN-only access
• Place the application behind a WAF and enable SQL injection signatures targeting the useremail parameter
• Audit the database for unauthorized read activity or modifications to user and credential tables
• Rotate any credentials stored in the affected database if injection activity is suspected

Patch Information

No official vendor patch is referenced in the published advisories for CVE-2024-9327. Refer to the Code Projects Resource Hub for vendor updates. Administrators should review the VulDB CTI ID #278836 record for any newer remediation information.

Workarounds

• Modify forgot.php to use parameterized queries or prepared statements via PDO or MySQLi with bound parameters
• Apply server-side input validation that rejects non-email characters in the useremail field before query construction
• Disable or remove the password recovery endpoint if it is not required for production operation
• Run the database account used by the application with least-privilege permissions to limit the impact of successful injection