CVE-2017-12158 Information

Description

It was found that Keycloak would accept a HOST header URL in the admin console and use it to determine web resource locations. An attacker could use this flaw against an authenticated user to attain reflected XSS via a malicious server.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Reference

http://www.securityfocus.com/bid/101618 https://access.redhat.com/errata/RHSA-2017:2904 https://access.redhat.com/errata/RHSA-2017:2905 https://access.redhat.com/errata/RHSA-2017:2906 https://bugzilla.redhat.com/show_bug.cgi?id=1489161

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

5.4