CVE-2019-25438
📋 TL;DR
This vulnerability allows unauthenticated attackers to execute arbitrary SQL commands on LabCollector 5.423 by injecting malicious code through login or password retrieval forms. It enables extraction of sensitive database information without authentication, affecting all users running the vulnerable version.
💻 Affected Systems
- LabCollector
📦 What is this software?
Labcollector by Agilebio
⚠️ Risk & Real-World Impact
Worst Case
Attackers could extract all database contents, including user credentials, sensitive lab data, and system information, potentially leading to full system compromise or data breach.
Likely Case
Attackers will likely extract user credentials and sensitive data from the database, enabling further attacks or data theft.
If Mitigated
With proper input validation and parameterized queries, the impact is prevented, though legacy systems may remain at risk if unpatched.
🎯 Exploit Status
Exploits are publicly available, making it easy for attackers to leverage.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 5.424 or later
Vendor Advisory: https://labcollector.com/
Restart Required: No
Instructions:
1. Update LabCollector to version 5.424 or later. 2. Apply the patch from the vendor's official source. 3. Verify the update by checking the version in the admin panel.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement server-side input validation and use parameterized queries to prevent SQL injection.
Not applicable; requires code changes in login.php and retrieve_password.php.
Web Application Firewall (WAF)
allDeploy a WAF to block SQL injection attempts on the vulnerable endpoints.
Not applicable; configure WAF rules to detect and block SQLi patterns.
🧯 If You Can't Patch
- Restrict access to login.php and retrieve_password.php using network controls or authentication.
- Monitor logs for SQL injection attempts and implement intrusion detection systems.
🔍 How to Verify
Check if Vulnerable:
Test by sending a crafted SQL payload (e.g., ' OR '1'='1) to the login parameter in login.php or user_name in retrieve_password.php and observe if database errors or data leakage occurs.Check Version:
Check the LabCollector version in the admin panel or via the software's interface.Verify Fix Applied:
After patching, repeat the test; no SQL errors or unauthorized data should be returned.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL syntax errors in web server logs, multiple failed login attempts with SQL-like strings.
Network Indicators:
- HTTP POST requests to login.php or retrieve_password.php containing SQL keywords (e.g., UNION, SELECT, OR).
SIEM Query:
source="web_logs" AND (url="/login.php" OR url="/retrieve_password.php") AND (message="SQL" OR message="syntax")