CVE-2024-28279
📋 TL;DR
Computer Book Store 1.0 contains a SQL injection vulnerability in the book.php parameter 'bookisbn' that allows attackers to execute arbitrary SQL commands. This affects all installations of this specific PHP application. Attackers can potentially access, modify, or delete database content through this vulnerability.
💻 Affected Systems
- Computer Book Store
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including data theft, data destruction, authentication bypass, and potential server takeover via SQL injection to RCE chaining.
Likely Case
Database information disclosure, data manipulation, and potential privilege escalation within the application.
If Mitigated
Limited impact with proper input validation and parameterized queries preventing successful exploitation.
🎯 Exploit Status
SQL injection via GET parameter requires minimal technical skill to exploit.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: Not available
Restart Required: No
Instructions:
1. Replace vulnerable code in book.php with parameterized queries. 2. Implement proper input validation for bookisbn parameter. 3. Test thoroughly before deployment.
🔧 Temporary Workarounds
Web Application Firewall (WAF)
allDeploy WAF rules to block SQL injection patterns in book.php requests.
Input Validation Filter
allAdd input validation to only accept ISBN format patterns (digits and hyphens).
🧯 If You Can't Patch
- Isolate the application behind a reverse proxy with strict input filtering
- Implement network segmentation to limit database access from the application server
🔍 How to Verify
Check if Vulnerable:
Test book.php?bookisbn=1' OR '1'='1 and observe if SQL error or unexpected behavior occurs.Check Version:
Check source code or documentation for version information; no built-in version command.Verify Fix Applied:
Test with SQL injection payloads and verify they are rejected or properly handled without database errors.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL errors in application logs
- Multiple requests to book.php with SQL keywords in parameters
Network Indicators:
- HTTP requests to book.php containing SQL injection patterns in GET parameters
SIEM Query:
source="web_logs" AND uri="*book.php*" AND (param="*bookisbn=*'*" OR param="*bookisbn=*%27*")