CVE-2025-45968
📋 TL;DR
System PDV v1.0 contains an Insecure Direct Object Reference (IDOR) vulnerability that allows remote attackers to access sensitive information by manipulating the hash parameter in URLs. This affects all users of System PDV v1.0, potentially exposing other users' data and internal resources without authorization.
💻 Affected Systems
- System PDV
📦 What is this software?
System Pdv by System Pdv Project
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of all user data, including sensitive financial information, customer records, and internal system resources leading to data breach and regulatory violations.
Likely Case
Unauthorized access to other users' transaction data, customer information, and potentially administrative functions, resulting in privacy violations and data leakage.
If Mitigated
Limited impact with proper authorization checks, potentially only exposing non-sensitive metadata or triggering access denied responses.
🎯 Exploit Status
The vulnerability is trivially exploitable by modifying URL parameters as described in the public disclosure.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Unknown
Restart Required: No
Instructions:
No official patch available. Consider upgrading to a newer version if available or implementing workarounds.
🔧 Temporary Workarounds
Implement Proper Authorization Checks
allAdd server-side authorization validation for all object references before returning data.
Use Indirect Object References
allReplace direct references with indirect references or tokens that cannot be easily enumerated.
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block suspicious hash parameter manipulation
- Restrict network access to System PDV to trusted IP addresses only
🔍 How to Verify
Check if Vulnerable:
Test by accessing URLs with modified hash parameters to see if unauthorized data is returned.Check Version:
Check application version in admin interface or configuration files.Verify Fix Applied:
Verify that modified hash parameters return access denied errors or no data for unauthorized requests.📡 Detection & Monitoring
Log Indicators:
- Multiple failed authorization attempts
- Unusual access patterns to hash parameters
- Access to user data from unexpected IPs
Network Indicators:
- Unusual parameter manipulation in HTTP requests
- Rapid sequential requests with varying hash values
SIEM Query:
source="web_logs" AND (url CONTAINS "hash=" AND status=200) | stats count by src_ip, user_agent