CVE-2023-36825
📋 TL;DR
This vulnerability in the Orchid Laravel package allows remote code execution through deserialization of untrusted data from the '_state' query parameter. Attackers can exploit this to execute arbitrary code on affected systems. All users running vulnerable versions of Orchid are affected.
💻 Affected Systems
- Orchid (Laravel package)
📦 What is this software?
Platform by Orchid
Platform by Orchid
Platform by Orchid
Platform by Orchid
Platform by Orchid
Platform by Orchid
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise allowing attackers to execute arbitrary code, steal data, install malware, or pivot to other systems.
Likely Case
Remote code execution leading to data theft, backdoor installation, or service disruption.
If Mitigated
Limited impact if proper network segmentation and least privilege principles are implemented, though RCE still poses significant risk.
🎯 Exploit Status
The vulnerability is in a widely used Laravel package and exploitation appears straightforward based on the advisory.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 14.5.0
Vendor Advisory: https://github.com/orchidsoftware/platform/security/advisories/GHSA-ph6g-p72v-pc3p
Restart Required: No
Instructions:
1. Check current Orchid version in composer.json
2. Update composer.json to require "orchid/platform": "^14.5.0"
3. Run 'composer update orchid/platform'
4. Test application functionality
🔧 Temporary Workarounds
No official workarounds
allThe vendor states there are no known workarounds for this vulnerability.
🧯 If You Can't Patch
- Implement strict network controls to limit access to affected applications
- Deploy web application firewall with deserialization attack detection rules
🔍 How to Verify
Check if Vulnerable:
Check composer.json for Orchid version: grep -i orchid composer.jsonCheck Version:
composer show orchid/platform | grep versionsVerify Fix Applied:
Verify installed version: composer show orchid/platform | grep versions📡 Detection & Monitoring
Log Indicators:
- Unusual POST/GET requests containing '_state' parameter
- Unexpected process execution from web server context
- Errors related to deserialization in application logs
Network Indicators:
- HTTP requests with '_state' parameter containing serialized data patterns
- Outbound connections from web server to unexpected destinations
SIEM Query:
web_access_logs | where url contains "_state=" | where url matches "\\.*[Oo]:[0-9]+:.*\\.*"