CVE-2023-4837
📋 TL;DR
SmodBIP is vulnerable to Cross-Site Request Forgery (CSRF) that allows attackers to trick authenticated users into performing unintended actions. This can lead to creation of administrative accounts, potentially giving attackers full control. All versions of SmodBIP are affected, and the software is no longer maintained.
💻 Affected Systems
- SmodBIP
📦 What is this software?
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers gain administrative access, leading to complete system compromise, data theft, or ransomware deployment.
Likely Case
Unauthorized administrative accounts created, allowing attackers to modify configurations, access sensitive data, or deploy malware.
If Mitigated
Limited impact if CSRF protections are implemented or if the application is isolated from internet access.
🎯 Exploit Status
CSRF attacks are well-understood and easy to implement. Requires user interaction (visiting malicious site while logged in).
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: None
Vendor Advisory: https://smod.pl/
Restart Required: No
Instructions:
No official patch available. Vendor has discontinued support. Consider migrating to alternative software.
🔧 Temporary Workarounds
Implement CSRF Tokens
allAdd anti-CSRF tokens to all state-changing requests in SmodBIP application code.
Manual code modification required - no standard commands
SameSite Cookie Attribute
allSet SameSite=Strict or SameSite=Lax attributes on session cookies to prevent cross-site requests.
Set-Cookie: session=value; SameSite=Strict; Secure; HttpOnly
🧯 If You Can't Patch
- Isolate SmodBIP behind a reverse proxy with CSRF protection middleware
- Implement network segmentation to restrict access to SmodBIP only from trusted sources
🔍 How to Verify
Check if Vulnerable:
Check if SmodBIP forms lack CSRF tokens and if session cookies lack SameSite attributes.Check Version:
Check SmodBIP version in application interface or configuration files (no standard command).Verify Fix Applied:
Verify that all POST/PUT/DELETE requests include valid CSRF tokens and cookies have SameSite attributes.📡 Detection & Monitoring
Log Indicators:
- Multiple administrative account creations from same user session
- Unusual POST requests to user/account creation endpoints
Network Indicators:
- Cross-origin requests to SmodBIP endpoints from unexpected domains
SIEM Query:
source="smodbip.log" AND (event="user_create" OR event="account_create") | stats count by src_ip, user