CVE-2018-5986

9.8 CRITICAL

📋 TL;DR

This SQL injection vulnerability in Easy Car Script 2014 allows attackers to execute arbitrary SQL commands through the s_order or s_row parameters in site_search.php. Attackers can potentially access, modify, or delete database content. Any organization running vulnerable versions of Easy Car Script 2014 is affected.

💻 Affected Systems

Products:
  • Easy Car Script 2014
Versions: All versions of Easy Car Script 2014
Operating Systems: Any OS running PHP
Default Config Vulnerable: ⚠️ Yes
Notes: The vulnerability exists in the default installation and requires no special configuration to be exploitable.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete database compromise including data theft, data destruction, and potential remote code execution through database functions.

🟠

Likely Case

Unauthorized data access, extraction of sensitive information (user credentials, payment data), and potential privilege escalation.

🟢

If Mitigated

Limited impact with proper input validation and parameterized queries in place.

🌐 Internet-Facing: HIGH - The vulnerable script is typically exposed to the internet, making it easily accessible to attackers.
🏢 Internal Only: MEDIUM - If the application is only internally accessible, risk is reduced but still significant for authenticated users.

🎯 Exploit Status

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

Public exploit code is available and exploitation requires minimal technical skill. The vulnerability is directly exploitable without authentication.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: N/A

Vendor Advisory: N/A

Restart Required: No

Instructions:

No official patch is available. Consider upgrading to a newer version of Easy Car Script or implementing workarounds.

🔧 Temporary Workarounds

Input Validation and Sanitization

all

Implement strict input validation for s_order and s_row parameters in site_search.php

Modify site_search.php to validate s_order and s_row parameters against a whitelist of allowed values

Parameterized Queries Implementation

all

Replace direct SQL concatenation with prepared statements using PDO or mysqli

Replace vulnerable SQL queries with prepared statements: $stmt = $pdo->prepare('SELECT * FROM table WHERE id = ?'); $stmt->execute([$param]);

🧯 If You Can't Patch

  • Implement a web application firewall (WAF) with SQL injection protection rules
  • Restrict access to site_search.php to authenticated users only

🔍 How to Verify

Check if Vulnerable:

Test site_search.php with SQL injection payloads in s_order or s_row parameters (e.g., ' OR '1'='1)

Check Version:

Check the script version in the application's admin panel or configuration files

Verify Fix Applied:

Test with SQL injection payloads after implementing fixes; verify no database errors or unexpected results

📡 Detection & Monitoring

Log Indicators:

  • Unusual SQL errors in application logs
  • Multiple requests to site_search.php with suspicious parameters
  • Database error messages containing SQL syntax

Network Indicators:

  • HTTP requests to site_search.php containing SQL keywords in parameters
  • Unusual database query patterns from the application server

SIEM Query:

source="web_logs" AND uri="*site_search.php*" AND (param="*s_order*" OR param="*s_row*") AND (value="*OR*" OR value="*UNION*" OR value="*SELECT*" OR value="*--*")

🔗 References

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