CVE-2025-6175
📋 TL;DR
This CRLF injection vulnerability in DECE Software Geodi allows attackers to inject malicious HTTP headers and split HTTP responses, potentially enabling HTTP request smuggling or response splitting attacks. It affects all Geodi installations before version GEODI Setup 9.0.146.
💻 Affected Systems
- DECE Software Geodi
⚠️ 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 could perform HTTP request smuggling to bypass security controls, poison web caches, conduct cross-site scripting attacks, or hijack user sessions by manipulating HTTP responses.
Likely Case
Attackers inject malicious headers to manipulate HTTP responses, potentially enabling cross-user defacement, cache poisoning, or limited session hijacking through crafted responses.
If Mitigated
With proper input validation and output encoding, the vulnerability is neutralized, preventing any injection or response manipulation.
🎯 Exploit Status
CRLF injection vulnerabilities typically have low exploitation complexity and can be exploited without authentication when the vulnerable endpoint is exposed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: GEODI Setup 9.0.146 or later
Vendor Advisory: https://www.usom.gov.tr/bildirim/tr-25-0182
Restart Required: Yes
Instructions:
1. Download GEODI Setup 9.0.146 or later from official vendor sources. 2. Backup current configuration and data. 3. Run the installer to upgrade. 4. Restart the Geodi service or server. 5. Verify the version shows 9.0.146 or higher.
🔧 Temporary Workarounds
Input Validation Filter
allImplement strict input validation to reject or sanitize CRLF sequences (\r\n) in HTTP headers and parameters.
Web Application Firewall Rules
allConfigure WAF to block requests containing CRLF sequences in headers or parameters.
🧯 If You Can't Patch
- Isolate Geodi behind a reverse proxy with strict HTTP header validation
- Implement network segmentation to restrict access to Geodi only from trusted sources
🔍 How to Verify
Check if Vulnerable:
Check Geodi version in application interface or configuration files. If version is below 9.0.146, the system is vulnerable.Check Version:
Check Geodi application interface or configuration files for version informationVerify Fix Applied:
After patching, verify the version shows 9.0.146 or higher and test with controlled CRLF injection attempts that should be rejected.📡 Detection & Monitoring
Log Indicators:
- HTTP requests containing %0D%0A, \r\n, or other CRLF encodings in headers or parameters
- Unusual HTTP response splitting in logs
- Multiple HTTP requests from single client with malformed headers
Network Indicators:
- HTTP traffic with CRLF sequences in headers
- Abnormal HTTP response structures
- Requests attempting to inject custom headers
SIEM Query:
source="geodi_logs" AND (message="*%0D%0A*" OR message="*\\r\\n*")