CVE-2023-6134
MEDIUMCVSS 5.4/10EPSS 0.91%
Last modified
CVE-2023-6134 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. A flaw was found in Keycloak that prevents certain schemes in redirects, but permits them if a wildcard is appended to the token. This issue could allow an attacker to submit a specially crafted request leading to cross-site scripting (XSS) or further attacks. EPSS estimates a 0.91% chance of exploitation in the next 30 days.
Description
A flaw was found in Keycloak that prevents certain schemes in redirects, but permits them if a wildcard is appended to the token. This issue could allow an attacker to submit a specially crafted request leading to cross-site scripting (XSS) or further attacks. This flaw is the result of an incomplete fix for CVE-2020-10748.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Redhat | Single Sign-On | < 7.6 |
| Redhat | Keycloak | < 22.0.7 |
| Redhat | Openshift Container Platform | 4.11 |
| Redhat | Openshift Container Platform | 4.12 |
| Redhat | Openshift Container Platform For Power | 4.9 |
| Redhat | Openshift Container Platform For Power | 4.10 |
| Redhat | Openshift Container Platform Ibm Z Systems | 4.9 |
| Redhat | Openshift Container Platform Ibm Z Systems | 4.10 |
| Redhat | Single Sign-On | All versions |
References
- https://access.redhat.com/errata/RHSA-2023:7854Vendor Advisory
- https://access.redhat.com/errata/RHSA-2023:7855Vendor Advisory
- https://access.redhat.com/errata/RHSA-2023:7856Vendor Advisory
- https://access.redhat.com/errata/RHSA-2023:7857Exploit, Vendor Advisory
- https://access.redhat.com/errata/RHSA-2023:7858Vendor Advisory
- https://access.redhat.com/errata/RHSA-2023:7860Vendor Advisory
- https://access.redhat.com/errata/RHSA-2023:7861Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2023-6134Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2249673Issue Tracking
- https://access.redhat.com/errata/RHSA-2023:7854Vendor Advisory
- https://access.redhat.com/errata/RHSA-2023:7855Vendor Advisory
- https://access.redhat.com/errata/RHSA-2023:7856Vendor Advisory
- https://access.redhat.com/errata/RHSA-2023:7857Exploit, Vendor Advisory
- https://access.redhat.com/errata/RHSA-2023:7858Vendor Advisory
- https://access.redhat.com/errata/RHSA-2023:7860Vendor Advisory
- https://access.redhat.com/errata/RHSA-2023:7861Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2023-6134Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2249673Issue Tracking
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-6134?
A flaw was found in Keycloak that prevents certain schemes in redirects, but permits them if a wildcard is appended to the token. This issue could allow an attacker to submit a specially crafted request leading to cross-site scripting (XSS) or further attacks. This flaw is the result of an incomplete fix for CVE-2020-10748.
How severe is CVE-2023-6134?
CVE-2023-6134 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.91% probability of exploitation in the next 30 days.
How do I fix CVE-2023-6134?
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.
Related CVEs from 2023
- CVE-2023-6128Cross-site Scripting (XSS) - Reflected in GitHub repository …5.4
- CVE-2023-6129Issue summary: The POLY1305 MAC (message authentication code…6.5
- CVE-2023-6130Path Traversal: '\..\filename' in GitHub repository salesagi…8.8
- CVE-2023-6131 Code Injection in GitHub repository salesagility/suitecrm p…8.8
- CVE-2023-6132 The vulnerability, if exploited, could allow a malicious en…7.8
- CVE-2023-6133The Forminator plugin for WordPress is vulnerable to arbitra…4.9
- CVE-2023-6135Multiple NSS NIST curves were susceptible to a side-channel …4.3
- CVE-2023-6136Exposure of Sensitive Information to an Unauthorized Actor v…7.5
- CVE-2023-6137Cross-Site Request Forgery (CSRF) vulnerability in finnj Fro…8.8
- CVE-2023-6138A potential security vulnerability has been identified in th…7.9
- CVE-2023-6139The Essential Real Estate WordPress plugin before 4.4.0 does…6.5
- CVE-2023-6140The Essential Real Estate WordPress plugin before 4.4.0 does…8.8
Are you affected by CVE-2023-6134?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST