CVE-2024-7935: Project Expense Monitoring System SQLi

CVE-2024-7935 Overview

CVE-2024-7935 is a SQL injection vulnerability in itsourcecode Project Expense Monitoring System 1.0. The flaw resides in the print.php script, where the map_id parameter is passed directly into a database query without proper sanitization. Authenticated remote attackers can manipulate this parameter to inject arbitrary SQL statements. The issue is categorized under CWE-89 (Improper Neutralization of Special Elements used in an SQL Command). Public exploit details have been disclosed, increasing the likelihood of opportunistic attacks against exposed deployments.

Critical Impact

Remote attackers with low privileges can extract, modify, or delete database contents through unsanitized input to the map_id parameter in print.php.

Affected Products

• itsourcecode Project Expense Monitoring System 1.0
• Component: print.php
• Vulnerable parameter: map_id

Discovery Timeline

• 2024-08-19 - CVE-2024-7935 published to NVD
• 2024-08-23 - Last updated in NVD database

Technical Details for CVE-2024-7935

Vulnerability Analysis

The vulnerability affects the print.php endpoint in itsourcecode Project Expense Monitoring System 1.0. The script accepts a map_id parameter from HTTP requests and incorporates it into a SQL query without input validation or parameterized statements. Attackers can append SQL syntax to alter the original query logic.

Successful exploitation enables unauthorized read and write access to the underlying database. Attackers can enumerate database schema, exfiltrate expense records, or modify financial data. The attack requires network access and low-level privileges, but no user interaction. Public disclosure of exploitation details lowers the barrier for attackers seeking targets running this application.

Root Cause

The root cause is improper neutralization of user-supplied input in the map_id query parameter [CWE-89]. The application concatenates the parameter directly into a SQL statement rather than using prepared statements with bound parameters. Standard SQL injection payloads such as boolean-based, union-based, and time-based techniques apply to this endpoint.

Attack Vector

An authenticated attacker sends a crafted HTTP request to print.php with a malicious value in the map_id parameter. The injected SQL executes within the database session context used by the web application. Because the exploit has been publicly disclosed, automated scanners can identify and weaponize this endpoint with minimal effort. See the GitHub CVE Documentation and VulDB entry #275120 for additional technical context.

Detection Methods for CVE-2024-7935

Indicators of Compromise

• HTTP requests to print.php containing SQL metacharacters such as single quotes, UNION SELECT, OR 1=1, or SLEEP( in the map_id parameter
• Unusual database errors or response time anomalies linked to requests against print.php
• Web server access logs showing repeated probing of print.php?map_id= with varying payloads

Detection Strategies

• Deploy web application firewall (WAF) signatures that flag SQL injection patterns in query strings targeting print.php
• Enable database query logging and alert on syntactically anomalous queries originating from the application service account
• Correlate web server access logs with database audit logs to identify injection attempts that reach the backend

Monitoring Recommendations

• Monitor for spikes in 500-series HTTP responses from print.php, which often indicate failed injection attempts
• Track outbound data volume from the database host for signs of bulk data exfiltration
• Alert on authentication events followed by immediate access to print.php with non-numeric map_id values

How to Mitigate CVE-2024-7935

Immediate Actions Required

• Restrict network access to the Project Expense Monitoring System until a fix is applied, limiting exposure to trusted networks or VPN users
• Deploy WAF rules that reject requests to print.php containing SQL metacharacters in the map_id parameter
• Audit recent web and database logs for evidence of exploitation attempts targeting the map_id parameter

Patch Information

No official vendor patch is referenced in the published advisory at the time of writing. Administrators should monitor the VulDB entry #275120 and the GitHub CVE Documentation for vendor updates. In the absence of a vendor patch, source-level remediation requires replacing string concatenation in print.php with parameterized queries and enforcing numeric type validation on map_id.

Workarounds

• Implement input validation that rejects any non-integer value supplied to the map_id parameter
• Apply least-privilege principles to the database account used by the application, removing unnecessary write or schema-modification rights
• Place the application behind an authenticated reverse proxy and disable public internet exposure where feasible