CVE-2025-5401

7.3 HIGH

📋 TL;DR

This critical SQL injection vulnerability in Blogbook's post.php allows attackers to manipulate the p_id parameter to execute arbitrary SQL commands. It affects all versions up to commit 92f5cf90f8a7e6566b576fe0952e14e1c6736513, potentially compromising database integrity and confidentiality. Since the product uses rolling releases without version tracking, all deployments without specific fixes are vulnerable.

💻 Affected Systems

Products:
  • chaitak-gorai Blogbook
Versions: All versions up to commit 92f5cf90f8a7e6566b576fe0952e14e1c6736513
Operating Systems: All platforms running PHP
Default Config Vulnerable: ⚠️ Yes
Notes: Product uses rolling releases without version numbers; any deployment without specific fixes for this vulnerability is affected.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete database compromise including data theft, modification, or deletion; potential remote code execution if database functions allow it; full application takeover.

🟠

Likely Case

Unauthorized data access and extraction from the database, including user credentials, posts, and sensitive information.

🟢

If Mitigated

Limited impact with proper input validation and parameterized queries preventing SQL injection.

🌐 Internet-Facing: HIGH - Remote exploitation possible without authentication, making internet-facing instances immediate targets.
🏢 Internal Only: MEDIUM - Still exploitable by internal attackers or through compromised internal systems, but attack surface is reduced.

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Public exploit documentation exists; SQL injection via GET parameter is straightforward to exploit with common tools like sqlmap.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Unknown - vendor did not respond

Vendor Advisory: None available

Restart Required: No

Instructions:

No official patch available. Consider migrating to alternative software or implementing custom fixes with parameterized queries.

🔧 Temporary Workarounds

Web Application Firewall (WAF) Rules

all

Implement WAF rules to block SQL injection patterns in the p_id parameter

Input Validation Filter

all

Add server-side validation to only accept numeric values for p_id parameter

// In post.php, add: if(!is_numeric($_GET['p_id'])) { die('Invalid parameter'); }

🧯 If You Can't Patch

  • Isolate the Blogbook instance behind a reverse proxy with strict input validation
  • Implement network segmentation to limit database access from the web server

🔍 How to Verify

Check if Vulnerable:

Test with sqlmap: sqlmap -u 'http://target/post.php?p_id=1' --dbs

Check Version:

Check git commit hash: git log --oneline -1

Verify Fix Applied:

Attempt SQL injection payloads like ' OR '1'='1 in p_id parameter and verify they're rejected

📡 Detection & Monitoring

Log Indicators:

  • Unusual SQL errors in application logs
  • Multiple rapid requests to post.php with varying p_id values
  • Requests containing SQL keywords like UNION, SELECT, INSERT in p_id parameter

Network Indicators:

  • HTTP requests with SQL injection payloads in GET parameters
  • Unusual database query patterns from web server IP

SIEM Query:

source="web_logs" AND uri="/post.php" AND (query="*UNION*" OR query="*SELECT*" OR query="*INSERT*")

🔗 References

📤 Share & Export