CVE-2017-12158: XSS
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
| 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 | |
| Red Hat Enterprise Linux Server | =6.0 | |
| Red Hat Enterprise Linux Server | =7.0 | |
| Red Hat Keycloak |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2017-12158
- 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
- https://web.archive.org/web/20210124114020/http://www.securityfocus.com/bid/101618
- https://github.com/advisories/GHSA-v38p-mqq3-m6v5 (Advisory)
- http://www.securityfocus.com/bid/101618
- https://issues.jboss.org/browse/KEYCLOAK-5225
Frequently Asked Questions
What is the severity of CVE-2017-12158?
CVE-2017-12158 has been classified as a high severity vulnerability due to its potential for reflected XSS attacks.
How do I fix CVE-2017-12158?
To fix CVE-2017-12158, upgrade Keycloak to version 3.4.0 or later.
Which versions of Keycloak are affected by CVE-2017-12158?
Versions of Keycloak prior to 3.4.0 are affected by CVE-2017-12158.
Can CVE-2017-12158 be exploited without authentication?
No, CVE-2017-12158 requires the attacker to target an authenticated user.
What type of attack is associated with CVE-2017-12158?
CVE-2017-12158 is associated with reflected cross-site scripting (XSS) attacks.
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