A reflected cross-site scripting (XSS) vulnerability was found in the 'oob' OAuth endpoint due to incorrect null-byte handling. This issue allows a malicious link to insert an arbitrary URI into a Keycloak error page. This flaw requires a user or administrator to interact with a link in order to be vulnerable. This may compromise user details, allowing it to be changed or collected by an attacker.
Advisories
Source ID Title
EUVD EUVD EUVD-2023-0968 A reflected cross-site scripting (XSS) vulnerability was found in the 'oob' OAuth endpoint due to incorrect null-byte handling. This issue allows a malicious link to insert an arbitrary URI into a Keycloak error page. This flaw requires a user or administrator to interact with a link in order to be vulnerable. This may compromise user details, allowing it to be changed or collected by an attacker.
Github GHSA Github GHSA GHSA-9hhc-pj4w-w5rv Keycloak Cross-site Scripting on OpenID connect login service
Fixes

Solution

No solution given by the vendor.


Workaround

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History

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-03T01:27:54.542Z

Reserved: 2022-11-24T14:10:49.215Z

Link: CVE-2022-4137

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2023-09-25T20:15:09.897

Modified: 2024-11-21T07:34:38.850

Link: CVE-2022-4137

cve-icon Redhat

Severity : Important

Publid Date: 2023-03-01T13:56:00Z

Links: CVE-2022-4137 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses