CVE-2023-31867
📋 TL;DR
Sage X3 version 12.14.0.50-0 is vulnerable to CSV injection, which allows attackers to embed malicious formulas in exported CSV files. When users open these files in spreadsheet applications like Excel, the formulas can execute arbitrary commands, potentially leading to data theft or system compromise. This affects organizations using the vulnerable Sage X3 version.
💻 Affected Systems
- Sage X3
📦 What is this software?
X3 by Sage
⚠️ Risk & Real-World Impact
Worst Case
Attackers could execute arbitrary commands on victim systems, leading to full system compromise, data exfiltration, or ransomware deployment.
Likely Case
Attackers trick users into opening malicious CSV files, leading to command execution in spreadsheet applications, potentially stealing credentials or sensitive data.
If Mitigated
With proper user training and application controls, the risk is limited to isolated spreadsheet incidents without broader system impact.
🎯 Exploit Status
Exploitation requires user interaction to open a malicious CSV file; public proof-of-concept is available in advisory references.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Sage X3 updates post-12.14.0.50-0
Vendor Advisory: http://sage.com
Restart Required: Yes
Instructions:
1. Check Sage X3 version. 2. Apply the latest patch from Sage. 3. Restart the Sage X3 service. 4. Verify the fix by testing CSV export functionality.
🔧 Temporary Workarounds
Disable CSV Export
allTemporarily disable CSV export functionality in Sage X3 to prevent exploitation.
Consult Sage X3 administration guide for disabling specific modules.
User Training
allTrain users to not open CSV files from untrusted sources and to disable automatic formula execution in spreadsheet applications.
🧯 If You Can't Patch
- Implement strict access controls to limit who can export CSV files.
- Use application whitelisting to prevent execution of malicious commands from spreadsheet applications.
🔍 How to Verify
Check if Vulnerable:
Check if Sage X3 version is 12.14.0.50-0 via administration console or version command.Check Version:
Check Sage X3 administration panel or run version query specific to your deployment.Verify Fix Applied:
After patching, test CSV export to ensure no malicious formulas can be injected; verify version is updated.📡 Detection & Monitoring
Log Indicators:
- Unusual CSV export activities
- Failed export attempts with suspicious payloads
Network Indicators:
- Unexpected outbound connections from systems after opening CSV files
SIEM Query:
source="sage_x3" AND event="csv_export" AND payload CONTAINS "=" OR "+"