Keycloak: log injection during webauthn authentication or registration

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Summary

CVECVE-2023-6484
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-04-25 16:15:09 UTC
Updated2026-06-26 08:16:20 UTC
DescriptionA log injection flaw was found in Keycloak. A text string may be injected through the authentication form when using the WebAuthn authentication mode. This issue may have a minor impact to the logs integrity.

Risk And Classification

Primary CVSS: v3.1 5.3 MEDIUM from [email protected]

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

EPSS: 0.010080000 probability, percentile 0.586860000 (date 2026-06-29)

Problem Types: CWE-117 | CWE-117 Improper Output Neutralization for Logs

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
3.1CNACVSS5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Red Hat Red Hat Build Of Keycloak 22 unaffected 22.0.10-1 * rpm Not specified
CNA Red Hat Red Hat Build Of Keycloak 22 unaffected 22-13 * rpm Not specified
CNA Red Hat Red Hat Build Of Keycloak 22 unaffected 22-16 * rpm Not specified
CNA Red Hat Red Hat Build Of Keycloak 22.0.10 Not specified Not specified
CNA Red Hat Red Hat Single Sign-On 7 Not specified Not specified
CNA Red Hat Red Hat Single Sign-On 7.6 For RHEL 7 unaffected 0:18.0.12-1.redhat_00001.1.el7sso * rpm Not specified
CNA Red Hat Red Hat Single Sign-On 7.6 For RHEL 7 unaffected 0:18.0.13-1.redhat_00001.1.el7sso * rpm Not specified
CNA Red Hat Red Hat Single Sign-On 7.6 For RHEL 8 unaffected 0:18.0.12-1.redhat_00001.1.el8sso * rpm Not specified
CNA Red Hat Red Hat Single Sign-On 7.6 For RHEL 8 unaffected 0:18.0.13-1.redhat_00001.1.el8sso * rpm Not specified
CNA Red Hat Red Hat Single Sign-On 7.6 For RHEL 9 unaffected 0:18.0.12-1.redhat_00001.1.el9sso * rpm Not specified
CNA Red Hat Red Hat Single Sign-On 7.6 For RHEL 9 unaffected 0:18.0.13-1.redhat_00001.1.el9sso * rpm Not specified
CNA Red Hat RHEL-8 Based Middleware Containers unaffected 7.6-41 * rpm Not specified
CNA Red Hat RHEL-8 Based Middleware Containers unaffected 7.6-46 * rpm Not specified
CNA Red Hat RHEL-8 Based Middleware Containers unaffected 7.6-16 * rpm Not specified
CNA Red Hat RHEL-8 Based Middleware Containers unaffected 7.6-18 * rpm Not specified
CNA Red Hat RHEL-8 Based Middleware Containers unaffected 7.6.8-2 * rpm Not specified
CNA Red Hat RHSSO 7.6.8 Not specified Not specified

References

ReferenceSourceLinkTags
access.redhat.com/errata/RHSA-2024:0798 af854a3a-2127-422b-91ae-364da2661108 access.redhat.com
access.redhat.com/security/cve/CVE-2023-6484 af854a3a-2127-422b-91ae-364da2661108 access.redhat.com
access.redhat.com/errata/RHSA-2024:1864 af854a3a-2127-422b-91ae-364da2661108 access.redhat.com
access.redhat.com/errata/RHSA-2024:1866 af854a3a-2127-422b-91ae-364da2661108 access.redhat.com
access.redhat.com/errata/RHSA-2024:1860 af854a3a-2127-422b-91ae-364da2661108 access.redhat.com
access.redhat.com/errata/RHSA-2024:1862 af854a3a-2127-422b-91ae-364da2661108 access.redhat.com
access.redhat.com/errata/RHSA-2024:1868 af854a3a-2127-422b-91ae-364da2661108 access.redhat.com
github.com/advisories/GHSA-j628-q885-8gr5 [email protected] github.com
bugzilla.redhat.com/show_bug.cgi af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com
access.redhat.com/errata/RHSA-2024:0801 af854a3a-2127-422b-91ae-364da2661108 access.redhat.com
access.redhat.com/errata/RHSA-2024:0800 af854a3a-2127-422b-91ae-364da2661108 access.redhat.com
access.redhat.com/errata/RHSA-2024:0804 af854a3a-2127-422b-91ae-364da2661108 access.redhat.com
access.redhat.com/errata/RHSA-2024:1861 af854a3a-2127-422b-91ae-364da2661108 access.redhat.com
access.redhat.com/errata/RHSA-2024:1867 af854a3a-2127-422b-91ae-364da2661108 access.redhat.com
access.redhat.com/errata/RHSA-2024:1865 af854a3a-2127-422b-91ae-364da2661108 access.redhat.com
access.redhat.com/errata/RHSA-2024:0799 af854a3a-2127-422b-91ae-364da2661108 access.redhat.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

SourceTimeEvent
CNA2023-11-06T00:00:00.000ZReported to Red Hat.
CNA2023-12-04T00:00:00.000ZMade public.
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