CVE-2024-8868: Crud Operation System SQL Injection Flaw

CVE-2024-8868 Overview

A SQL injection vulnerability has been identified in code-projects Crud Operation System version 1.0. This vulnerability affects the savedata.php file, where improper handling of the sname parameter allows attackers to inject malicious SQL commands. The attack can be initiated remotely without authentication, potentially compromising data confidentiality, integrity, and availability of the affected application.

Critical Impact
Remote attackers can exploit this SQL injection vulnerability to manipulate database queries, potentially leading to unauthorized data access, data modification, or data deletion without requiring any authentication.

Affected Products

code-projects Crud Operation System 1.0
Applications using the vulnerable savedata.php component
Systems running unpatched versions of the Crud Operation System

Discovery Timeline

September 15, 2024 - CVE-2024-8868 published to NVD
September 17, 2024 - Last updated in NVD database

Technical Details for CVE-2024-8868

Vulnerability Analysis

This SQL injection vulnerability (CWE-89) exists in the savedata.php file of the Crud Operation System. The vulnerability allows attackers to inject arbitrary SQL statements through the sname parameter, which is not properly sanitized before being used in database queries. The vulnerability is network-accessible, meaning attackers can exploit it remotely without requiring any prior authentication or user interaction.

The exploit for this vulnerability has been publicly disclosed, increasing the risk of exploitation in the wild. When successfully exploited, attackers can bypass authentication mechanisms, extract sensitive data from the database, modify or delete existing records, and potentially escalate their access to the underlying server.

Root Cause

The root cause of this vulnerability is inadequate input validation and sanitization of user-supplied data in the sname parameter within savedata.php. The application fails to properly escape or parameterize user input before incorporating it into SQL queries, allowing attackers to break out of the intended query context and inject malicious SQL commands.

Attack Vector

The vulnerability can be exploited remotely over the network. Attackers craft malicious input containing SQL syntax and submit it through the sname parameter to the savedata.php endpoint. Since no authentication is required and the attack complexity is low, this vulnerability is accessible to attackers with minimal technical expertise. The attack does not require any user interaction, making it particularly dangerous for exposed installations.

The vulnerability mechanism involves submitting specially crafted input to the sname parameter that includes SQL metacharacters and commands. When the application processes this input without proper sanitization, the injected SQL code becomes part of the database query execution, allowing unauthorized database operations. Technical details are available in the GitHub Issue Discussion and VulDB entry #277505.

Detection Methods for CVE-2024-8868

Indicators of Compromise

Unusual database queries containing SQL syntax characters (single quotes, semicolons, UNION statements) in application logs
Unexpected access patterns to savedata.php with suspicious parameter values
Database error messages appearing in web server logs indicating SQL syntax errors
Signs of data exfiltration or unauthorized database modifications

Detection Strategies

Implement web application firewall (WAF) rules to detect SQL injection patterns in HTTP requests targeting savedata.php
Monitor application and database logs for anomalous query patterns or error conditions
Deploy intrusion detection systems (IDS) with signatures for common SQL injection payloads
Utilize database activity monitoring to detect unauthorized queries or unusual data access patterns

Monitoring Recommendations

Enable verbose logging for the web application to capture all requests to savedata.php
Configure database audit logging to track query execution and identify suspicious patterns
Set up alerts for repeated failed SQL operations that may indicate exploitation attempts
Monitor network traffic for patterns consistent with automated SQL injection tools

How to Mitigate CVE-2024-8868

Immediate Actions Required

Immediately restrict access to savedata.php or disable the affected functionality until a patch is applied
Implement input validation at the web server or WAF level to block SQL injection attempts
Review and audit database permissions to minimize the impact of potential exploitation
Isolate affected systems from untrusted network segments

Patch Information

No official vendor patch information is currently available in the CVE data. Organizations using code-projects Crud Operation System should monitor the Code Projects website for security updates. In the absence of an official patch, implementing the workarounds below and considering alternative CRUD solutions is recommended.

Workarounds

Implement parameterized queries or prepared statements in all database interactions
Deploy a web application firewall (WAF) with SQL injection detection rules in front of the application
Apply strict input validation to reject any input containing SQL metacharacters (single quotes, semicolons, double dashes)
Consider disabling or removing the vulnerable savedata.php component if not critical to operations

bash

# Configuration example - Apache ModSecurity WAF rule to block SQL injection attempts
SecRule ARGS:sname "@detectSQLi" \
    "id:1001,\
    phase:2,\
    deny,\
    status:403,\
    msg:'SQL Injection attempt detected in sname parameter',\
    log,\
    auditlog"