CVE-2017-12158
UnknownEPSS 1.02%
Last modified
CVE-2017-12158 is a vulnerability of currently unknown severity. It was found that Keycloak would accept a HOST header URL in the admin console and use it to determine web resource locations. An attacker could use this flaw against an authenticated user to attain reflected XSS via a malicious server.. EPSS estimates a 1.02% chance of exploitation in the next 30 days.
Description
It was found that Keycloak would accept a HOST header URL in the admin console and use it to determine web resource locations. An attacker could use this flaw against an authenticated user to attain reflected XSS via a malicious server.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Redhat | Single Sign On | 7.0 |
| Redhat | Single Sign On | 7.1 |
| Keycloak | Keycloak | All versions |
References
- http://www.securityfocus.com/bid/101618Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:2904Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2905Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2906Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1489161Issue Tracking
- http://www.securityfocus.com/bid/101618Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:2904Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2905Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2906Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1489161Issue Tracking
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2017-12158?
It was found that Keycloak would accept a HOST header URL in the admin console and use it to determine web resource locations. An attacker could use this flaw against an authenticated user to attain reflected XSS via a malicious server.
How severe is CVE-2017-12158?
Severity scoring for CVE-2017-12158 is pending analysis. The EPSS model estimates a 1.02% probability of exploitation in the next 30 days.
How do I fix CVE-2017-12158?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2017-12158?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST