CVE & CISA-KEV Catalog

CVE-2023-6134

MEDIUM
4.6
CVSS v3
NVD

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.

How to fix

Remediation Available
rh-sso-7/sso7-rhel8Red Hat / RHEL
Fixed in:operator-bundle@sha256:4cbf1a09c7207f9f1ffc918b5e8a4adaa89938befc6d75040b3ddd505ab14f6c_amd64RHSA-2023:7857
rh-sso-7/sso7-rhel8Rocky
Fixed in:operator-bundle@sha256:4cbf1a09c7207f9f1ffc918b5e8a4adaa89938befc6d75040b3ddd505ab14f6c_amd64RHSA-2023:7857
rh-sso-7/sso76Rocky
Fixed in:openshift-rhel8@sha256:23d03851f0946e0ce058bfeeb458112e752b6b0dd8ebca078dc41b8e94c8e995_s390xRHSA-2024:0801
Fixed in:openshift-rhel8@sha256:2a21973655961ae87984bf1b76843419680fb0228fa0084c5bf8c696058bbc8d_ppc64leRHSA-2024:0801
Fixed in:openshift-rhel8@sha256:c65934aa7883ccd9655cd1e7e47899e97470e42cc32bbe5386cc64f88fd26696_ppc64leRHSA-2023:7857
Fixed in:openshift-rhel8@sha256:05c8f187d183582102855c12ac856f361cc6a0bbd792675799bfc319694bc662_s390xRHSA-2023:7857
Fixed in:openshift-rhel8@sha256:db235506ce5d840dc139a3cde4114939222df6abb0901efaaff4f9ddbc495b9b_amd64RHSA-2023:7857
Fixed in:openshift-rhel8@sha256:1cde6dbbee3aa25be767953c45670d4c2592d61a7af776e7e0d0d1b08a1d23ab_amd64RHSA-2024:0801
rh-sso-7/sso76Red Hat / RHEL
Fixed in:openshift-rhel8@sha256:1cde6dbbee3aa25be767953c45670d4c2592d61a7af776e7e0d0d1b08a1d23ab_amd64RHSA-2024:0801
Fixed in:openshift-rhel8@sha256:2a21973655961ae87984bf1b76843419680fb0228fa0084c5bf8c696058bbc8d_ppc64leRHSA-2024:0801
Fixed in:openshift-rhel8@sha256:23d03851f0946e0ce058bfeeb458112e752b6b0dd8ebca078dc41b8e94c8e995_s390xRHSA-2024:0801
Fixed in:openshift-rhel8@sha256:c65934aa7883ccd9655cd1e7e47899e97470e42cc32bbe5386cc64f88fd26696_ppc64leRHSA-2023:7857
Fixed in:openshift-rhel8@sha256:05c8f187d183582102855c12ac856f361cc6a0bbd792675799bfc319694bc662_s390xRHSA-2023:7857
Fixed in:openshift-rhel8@sha256:db235506ce5d840dc139a3cde4114939222df6abb0901efaaff4f9ddbc495b9b_amd64RHSA-2023:7857
rh-sso7-keycloakRed Hat / RHEL
Fixed in:0:18.0.12-1.redhat_00001.1.el7ssoRHSA-2024:0798
Fixed in:0:18.0.12-1.redhat_00001.1.el7ssoRHSA-2024:0798
Fixed in:0:18.0.11-2.redhat_00003.1.el7ssoRHSA-2023:7854
Fixed in:0:18.0.11-2.redhat_00003.1.el7ssoRHSA-2023:7854
Fixed in:0:18.0.11-2.redhat_00003.1.el8ssoRHSA-2023:7856
Fixed in:0:18.0.11-2.redhat_00003.1.el8ssoRHSA-2023:7856
Fixed in:0:18.0.12-1.redhat_00001.1.el8ssoRHSA-2024:0799
Fixed in:0:18.0.12-1.redhat_00001.1.el8ssoRHSA-2024:0799
Fixed in:0:18.0.11-2.redhat_00003.1.el9ssoRHSA-2023:7855
Fixed in:0:18.0.11-2.redhat_00003.1.el9ssoRHSA-2023:7855
Fixed in:0:18.0.12-1.redhat_00001.1.el9ssoRHSA-2024:0800
Fixed in:0:18.0.12-1.redhat_00001.1.el9ssoRHSA-2024:0800
rh-sso7-keycloakRocky
Fixed in:0:18.0.12-1.redhat_00001.1.el7ssoRHSA-2024:0798
Fixed in:0:18.0.11-2.redhat_00003.1.el7ssoRHSA-2023:7854
Fixed in:0:18.0.11-2.redhat_00003.1.el7ssoRHSA-2023:7854
Fixed in:0:18.0.12-1.redhat_00001.1.el7ssoRHSA-2024:0798
Fixed in:0:18.0.11-2.redhat_00003.1.el8ssoRHSA-2023:7856
Fixed in:0:18.0.12-1.redhat_00001.1.el8ssoRHSA-2024:0799
Fixed in:0:18.0.12-1.redhat_00001.1.el8ssoRHSA-2024:0799
Fixed in:0:18.0.11-2.redhat_00003.1.el8ssoRHSA-2023:7856
Fixed in:0:18.0.11-2.redhat_00003.1.el9ssoRHSA-2023:7855
Fixed in:0:18.0.11-2.redhat_00003.1.el9ssoRHSA-2023:7855
Fixed in:0:18.0.12-1.redhat_00001.1.el9ssoRHSA-2024:0800
Fixed in:0:18.0.12-1.redhat_00001.1.el9ssoRHSA-2024:0800
rh-sso7-keycloak-serverRocky
Fixed in:0:18.0.12-1.redhat_00001.1.el7ssoRHSA-2024:0798
Fixed in:0:18.0.11-2.redhat_00003.1.el7ssoRHSA-2023:7854
Fixed in:0:18.0.12-1.redhat_00001.1.el8ssoRHSA-2024:0799
Fixed in:0:18.0.11-2.redhat_00003.1.el8ssoRHSA-2023:7856
Fixed in:0:18.0.11-2.redhat_00003.1.el9ssoRHSA-2023:7855
Fixed in:0:18.0.12-1.redhat_00001.1.el9ssoRHSA-2024:0800
rh-sso7-keycloak-serverRed Hat / RHEL
Fixed in:0:18.0.12-1.redhat_00001.1.el7ssoRHSA-2024:0798
Fixed in:0:18.0.11-2.redhat_00003.1.el7ssoRHSA-2023:7854
Fixed in:0:18.0.11-2.redhat_00003.1.el8ssoRHSA-2023:7856
Fixed in:0:18.0.12-1.redhat_00001.1.el8ssoRHSA-2024:0799
Fixed in:0:18.0.11-2.redhat_00003.1.el9ssoRHSA-2023:7855
Fixed in:0:18.0.12-1.redhat_00001.1.el9ssoRHSA-2024:0800
rhbk/keycloakRed Hat / RHEL
Fixed in:rhel9-operator@sha256:96bdf3a2d1491a1cf26c0f8e46ff0b124d27f8ae67181b6e52faffc5cafd8837_s390xRHSA-2023:7861
Fixed in:rhel9@sha256:ff4d7fbeb78a227d9078acb131a0762f36df194f905f5c8f1434efe073355b92_s390xRHSA-2023:7861
Fixed in:rhel9@sha256:ca08c57756107d6701bdc10590466a7ca7a42bf1bc7883e9df3d4b6b04800343_amd64RHSA-2023:7861
Fixed in:operator-bundle@sha256:95af3ba537cf925f0359d54c7cd6d1dc360c9f109dcdd79322e9eb981c9b1ec6_amd64RHSA-2023:7861
Fixed in:rhel9-operator@sha256:c27cc8e7d7afc40125624c250be2cbefc9589645df6890bef6b601bbcfd0a9d7_amd64RHSA-2023:7861
Fixed in:rhel9@sha256:cae4e2e48188b03a76a4e13e061e16cae7ee053bf32ec164ed140dce30c94cbf_ppc64leRHSA-2023:7861
Fixed in:rhel9-operator@sha256:b79c5a6857d87daedeb8bf90fd4df9f73a663c5dc1567a5855eeebc8776d8b04_ppc64leRHSA-2023:7861
rhbk/keycloakRocky
Fixed in:rhel9@sha256:ff4d7fbeb78a227d9078acb131a0762f36df194f905f5c8f1434efe073355b92_s390xRHSA-2023:7861
Fixed in:rhel9-operator@sha256:96bdf3a2d1491a1cf26c0f8e46ff0b124d27f8ae67181b6e52faffc5cafd8837_s390xRHSA-2023:7861
Fixed in:rhel9@sha256:ca08c57756107d6701bdc10590466a7ca7a42bf1bc7883e9df3d4b6b04800343_amd64RHSA-2023:7861
Fixed in:operator-bundle@sha256:95af3ba537cf925f0359d54c7cd6d1dc360c9f109dcdd79322e9eb981c9b1ec6_amd64RHSA-2023:7861
Fixed in:rhel9-operator@sha256:c27cc8e7d7afc40125624c250be2cbefc9589645df6890bef6b601bbcfd0a9d7_amd64RHSA-2023:7861
Fixed in:rhel9@sha256:cae4e2e48188b03a76a4e13e061e16cae7ee053bf32ec164ed140dce30c94cbf_ppc64leRHSA-2023:7861
Fixed in:rhel9-operator@sha256:b79c5a6857d87daedeb8bf90fd4df9f73a663c5dc1567a5855eeebc8776d8b04_ppc64leRHSA-2023:7861

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionRequired
ScopeUnchanged

Impact

ConfidentialityLow
IntegrityLow
AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

Exploit Intelligence

0.91%probability of exploitation in 30 days
56thpercentile

Moderate risk: more likely to be exploited than 56% of all known CVEs.

References

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2020-11022Medium6.999%-Fix
CVE-2019-3929Critical9.899%KEVFix
CVE-2020-9496Medium6.199%--
CVE-2023-28341Medium6.199%-Fix
CVE-2018-12998Medium6.198%--
CVE-2025-4123High7.698%-Fix
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CVE-2023-6134 severity badge

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.