CVE-2025-0754
📋 TL;DR
This vulnerability in OpenShift Service Mesh allows attackers to inject malicious payloads into HTTP headers, specifically x-forwarded-for, which can corrupt service mesh logs. This enables log spoofing and reflected cross-site scripting attacks. Organizations running affected OpenShift Service Mesh versions are impacted.
💻 Affected Systems
- OpenShift Service Mesh
⚠️ 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 manipulate log entries to hide malicious activity, execute reflected XSS attacks against administrators viewing logs, and poison monitoring systems.
Likely Case
Log injection leading to inaccurate audit trails and potential log analysis confusion.
If Mitigated
Limited to log manipulation without direct system compromise if proper input validation and output encoding are implemented.
🎯 Exploit Status
Exploitation requires sending specially crafted HTTP requests with malicious x-forwarded-for headers.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Update to OpenShift Service Mesh 2.6.4 or 2.5.7
Vendor Advisory: https://access.redhat.com/security/cve/CVE-2025-0754
Restart Required: Yes
Instructions:
1. Update OpenShift Service Mesh operator to latest version. 2. Update ServiceMeshControlPlane to patched version. 3. Restart affected Envoy proxies.
🔧 Temporary Workarounds
Implement Envoy header sanitization
linuxConfigure Envoy to sanitize x-forwarded-for headers before logging
Configure EnvoyFilter with header sanitization rules
🧯 If You Can't Patch
- Implement WAF rules to filter malicious x-forwarded-for headers
- Disable detailed logging of x-forwarded-for headers in Envoy configuration
🔍 How to Verify
Check if Vulnerable:
Check OpenShift Service Mesh version: oc get smcp -n istio-systemCheck Version:
oc get smcp -n istio-system -o jsonpath='{.items[*].spec.version}'Verify Fix Applied:
Verify version is 2.6.4+ or 2.5.7+ and test x-forwarded-for header injection📡 Detection & Monitoring
Log Indicators:
- Unusual characters or scripts in x-forwarded-for log entries
- Malformed HTTP headers in Envoy access logs
Network Indicators:
- HTTP requests with unusually long or encoded x-forwarded-for headers
SIEM Query:
source="envoy-access-logs" AND "x-forwarded-for" AND ("<script>" OR "javascript:" OR unusual encoding patterns)