CVE-2024-22836
📋 TL;DR
This CVE describes an OS command injection vulnerability in Akaunting v3.1.3 and earlier that allows attackers to execute arbitrary system commands on the hosting server by manipulating the company locale during app installation. This affects all Akaunting installations running vulnerable versions, potentially giving attackers complete control over affected systems.
💻 Affected Systems
- Akaunting
📦 What is this software?
Akaunting by Akaunting
⚠️ Risk & Real-World Impact
Worst Case
Full server compromise allowing data theft, ransomware deployment, lateral movement to other systems, and complete system destruction.
Likely Case
Initial foothold leading to data exfiltration, cryptocurrency mining, or backdoor installation for persistent access.
If Mitigated
Limited impact if proper network segmentation, least privilege, and monitoring are in place, potentially containing to the web application container.
🎯 Exploit Status
Exploitation requires access to app installation functionality. Public proof-of-concept exists in GitHub repository.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: v3.1.4
Vendor Advisory: https://github.com/akaunting/akaunting/releases/tag/3.1.4
Restart Required: Yes
Instructions:
1. Backup your Akaunting database and files. 2. Download v3.1.4 from GitHub releases. 3. Replace existing installation files with new version. 4. Clear cache and restart web server. 5. Verify functionality.
🔧 Temporary Workarounds
Disable App Installation
allTemporarily disable ability to install apps through Akaunting interface
# Modify Akaunting configuration or use .htaccess to restrict access to installation endpoints
Network Restriction
allRestrict access to Akaunting installation/admin interfaces to trusted IPs only
# Example for Apache: Require ip 192.168.1.0/24
# Example for Nginx: allow 192.168.1.0/24; deny all;
🧯 If You Can't Patch
- Implement strict network segmentation to isolate Akaunting server from critical systems
- Deploy web application firewall with command injection detection rules
🔍 How to Verify
Check if Vulnerable:
Check Akaunting version in admin panel or by examining version files. Versions 3.1.3 and earlier are vulnerable.Check Version:
php artisan versionVerify Fix Applied:
Verify version is 3.1.4 or later in admin panel and test app installation functionality with malicious locale input.📡 Detection & Monitoring
Log Indicators:
- Unusual system commands in web server logs
- Multiple failed app installation attempts
- Suspicious locale parameters in POST requests
Network Indicators:
- Outbound connections from web server to unusual destinations
- Command and control traffic patterns
SIEM Query:
source="web_server" AND (url="*install*" OR url="*app*install*") AND (param="*locale*" OR param="*;*" OR param="*|*" OR param="*`*")