CVE-2022-4137
Keycloak: reflected xss attack
CVSS Score
8.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-81 |
| Vendor | red hat |
| Product | red hat single sign-on 7 |
| Published | Sep 25, 2023 |
| Last Updated | Aug 3, 2024 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
Affected Versions
Red Hat / Red Hat Single Sign-On 7
All versions affected Red Hat / Red Hat Single Sign-On 7.6 for RHEL 7
All versions affected Red Hat / Red Hat Single Sign-On 7.6 for RHEL 8
All versions affected Red Hat / Red Hat Single Sign-On 7.6 for RHEL 9
All versions affected References
access.redhat.com: https://access.redhat.com/errata/RHSA-2023:1043 access.redhat.com: https://access.redhat.com/errata/RHSA-2023:1044 access.redhat.com: https://access.redhat.com/errata/RHSA-2023:1045 access.redhat.com: https://access.redhat.com/errata/RHSA-2023:1049 access.redhat.com: https://access.redhat.com/security/cve/CVE-2022-4137 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2148496