CVE-2023-27250
📋 TL;DR
Online Book Store Project v1.0 contains a SQL injection vulnerability in the /bookstore/bookPerPub.php endpoint that allows attackers to execute arbitrary SQL commands. This affects all deployments of this specific version of the software. Attackers can potentially access, modify, or delete database content.
💻 Affected Systems
- Online Book Store Project
📦 What is this software?
Online Book Store Project by Online Book Store Project Project
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including data theft, data destruction, authentication bypass, and potential remote code execution if database permissions allow.
Likely Case
Unauthorized data access and extraction of sensitive information from the database, potentially including user credentials and personal data.
If Mitigated
Limited impact with proper input validation and database permission restrictions, potentially only allowing data viewing without modification.
🎯 Exploit Status
Public proof-of-concept available on GitHub. SQL injection vulnerabilities are commonly weaponized with automated tools.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None found
Restart Required: No
Instructions:
No official patch available. Consider upgrading to a newer version if available, or implement parameterized queries and input validation in the source code.
🔧 Temporary Workarounds
Web Application Firewall (WAF)
allDeploy a WAF with SQL injection protection rules to block malicious requests.
Input Validation
allImplement strict input validation and sanitization for the bookPerPub.php parameter.
🧯 If You Can't Patch
- Implement parameterized queries or prepared statements in the PHP code
- Restrict database user permissions to minimum required access
🔍 How to Verify
Check if Vulnerable:
Test the /bookstore/bookPerPub.php endpoint with SQL injection payloads like ' OR '1'='1Check Version:
Check the project version in documentation or configuration filesVerify Fix Applied:
Verify that SQL injection payloads no longer work and that parameterized queries are implemented📡 Detection & Monitoring
Log Indicators:
- Unusual SQL error messages in web server logs
- Multiple requests with SQL keywords to bookPerPub.php
Network Indicators:
- HTTP requests containing SQL injection patterns to the vulnerable endpoint
SIEM Query:
source="web_server_logs" AND (uri="/bookstore/bookPerPub.php" AND (query CONTAINS "UNION" OR query CONTAINS "SELECT" OR query CONTAINS "OR '1'='1"))