First published: Wed Sep 06 2017(Updated: )
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.
Credit: secalert@redhat.com secalert@redhat.com
Affected Software | Affected Version | How to fix |
---|---|---|
maven/org.keycloak:keycloak-parent | <3.4.0 | 3.4.0 |
redhat/Keycloak | <3.3.0. | 3.3.0. |
redhat/Keycloak | <3.4.0. | 3.4.0. |
Red Hat Single Sign-On | =7.0 | |
Red Hat Single Sign-On | =7.1 | |
redhat enterprise Linux server | =6.0 | |
redhat enterprise Linux server | =7.0 | |
Red Hat Keycloak |
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CVE-2017-12158 has been classified as a high severity vulnerability due to its potential for reflected XSS attacks.
To fix CVE-2017-12158, upgrade Keycloak to version 3.4.0 or later.
Versions of Keycloak prior to 3.4.0 are affected by CVE-2017-12158.
No, CVE-2017-12158 requires the attacker to target an authenticated user.
CVE-2017-12158 is associated with reflected cross-site scripting (XSS) attacks.