CVE-2022-4137 - CVE House

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Status published High CVE-2022-4137

Keycloak: reflected xss attack

8.1 CVSS

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from Red Hat

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Libsoup: improper handling of http vary header in libsoup caching

Gnutls: stack-based buffer overflow in gnutls_pkcs11_token_init() function

Affected Vendor

Red Hat

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Affected Software

Red Hat Single Sign-On 7, Red Hat Single Sign-On 7.6 for RHEL 7, Red Hat Single Sign-On 7.6 for RHEL 8, Red Hat Single Sign-On 7.6 for RHEL 9

Vulnerable Versions:

0:18.0.6-1.redhat_00001.1.el7sso, 0:18.0.6-1.redhat_00001.1.el8sso, 0:18.0.6-1.redhat_00001.1.el9sso

Timeline

Official Publish: September 25th, 2023

Last Modified: August 3rd, 2024

Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Weaknesses (CWE)

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.