CVE-2022-4137

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.

Score

CVSS 3.1 8.1 High

Status

Modified - secalert@redhat.com

Published

2023-09-25

Last modified

2024-08-03

Weaknesses

CWE-79, CWE-81

Affected products

• Keycloak (Redhat)
• Red Hat Single Sign On (Redhat)
• Single Sign-on (Redhat)

References

• https://access.redhat.com/errata/RHSA-2023:1043
• https://access.redhat.com/errata/RHSA-2023:1044
• https://access.redhat.com/errata/RHSA-2023:1045
• https://access.redhat.com/errata/RHSA-2023:1049
• https://access.redhat.com/security/cve/CVE-2022-4137
• https://bugzilla.redhat.com/show_bug.cgi?id=2148496