Vulnerability Details : CVE-2023-6134
Potential exploit
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.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2023-6134
- cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openshift_container_platform:4.12:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openshift_container_platform:4.11:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:single_sign-on:*:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:single_sign-on:-:*:*:*:text-only:*:*:*
- cpe:2.3:a:redhat:openshift_container_platform_for_power:4.10:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openshift_container_platform_for_power:4.9:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openshift_container_platform_ibm_z_systems:4.10:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openshift_container_platform_ibm_z_systems:4.9:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-6134
0.15%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 52 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-6134
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.4
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
2.3
|
2.7
|
NIST | |
4.6
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N |
2.1
|
2.5
|
Red Hat, Inc. |
CWE ids for CVE-2023-6134
-
The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.Assigned by: nvd@nist.gov (Primary)
-
The product does not adequately filter user-controlled input for special elements with control implications.Assigned by: secalert@redhat.com (Secondary)
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by:
- nvd@nist.gov (Primary)
- secalert@redhat.com (Secondary)
References for CVE-2023-6134
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https://access.redhat.com/errata/RHSA-2023:7854
RHSA-2023:7854 - Security Advisory - Red Hat Customer PortalVendor Advisory
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https://access.redhat.com/errata/RHSA-2023:7856
RHSA-2023:7856 - Security Advisory - Red Hat Customer PortalVendor Advisory
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https://access.redhat.com/errata/RHSA-2023:7858
RHSA-2023:7858 - Security Advisory - Red Hat Customer PortalVendor Advisory
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https://access.redhat.com/security/cve/CVE-2023-6134
CVE-2023-6134- Red Hat Customer PortalVendor Advisory
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https://access.redhat.com/errata/RHSA-2023:7857
RHSA-2023:7857 - Security Advisory - Red Hat Customer PortalExploit;Vendor Advisory
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https://access.redhat.com/errata/RHSA-2023:7861
RHSA-2023:7861 - Security Advisory - Red Hat Customer PortalVendor Advisory
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https://access.redhat.com/errata/RHSA-2023:7855
RHSA-2023:7855 - Security Advisory - Red Hat Customer PortalVendor Advisory
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https://bugzilla.redhat.com/show_bug.cgi?id=2249673
2249673 – (CVE-2023-6134) CVE-2023-6134 keycloak: reflected XSS via wildcard in OIDC redirect_uriIssue Tracking
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https://access.redhat.com/errata/RHSA-2023:7860
RHSA-2023:7860 - Security Advisory - Red Hat Customer PortalVendor Advisory
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