CVE-2018-14655: XSS
First published: Tue Sep 04 2018(Updated: )
A flaw was found in Keycloak 3.4.3.Final, 4.0.0.Beta2, 4.3.0.Final. When using 'response_mode=form_post' it is possible to inject arbitrary Javascript-Code via the 'state'-parameter in the authentication URL. This allows an XSS-Attack upon succesfully login.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| maven/org.keycloak:keycloak-parent | =4.3.0.Final | |
| maven/org.keycloak:keycloak-parent | >=4.0.0.Beta1<=4.0.0.Beta2 | |
| maven/org.keycloak:keycloak-parent | <=3.4.3.Final | |
| Redhat Keycloak | =3.4.3 | |
| Redhat Keycloak | =4.0.0-beta2 | |
| Redhat Keycloak | =4.3.0 | |
| Redhat Single Sign-on | =7.2 | |
| Redhat Linux | =7.0 | |
| Redhat Linux | =6.0 | |
| Redhat Single Sign-on |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2018-14655
- https://access.redhat.com/errata/RHSA-2018:3592
- https://access.redhat.com/errata/RHSA-2018:3593
- https://access.redhat.com/errata/RHSA-2018:3595
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14655
- https://github.com/advisories/GHSA-458h-wv48-fq75 (Advisory)
- https://access.redhat.com/support/policy/updates/rhmap
- https://bugzilla.redhat.com/show_bug.cgi?id=1625396
Frequently Asked Questions
What is CVE-2018-14655?
CVE-2018-14655 is a vulnerability found in Keycloak 3.4.3.Final, 4.0.0.Beta2, and 4.3.0.Final that allows an XSS-Attack upon successful login by injecting arbitrary JavaScript code via the 'state'-parameter in the authentication URL.
How severe is CVE-2018-14655?
CVE-2018-14655 has a severity rating of medium, with a CVSS score of 5.4.
Which software versions are affected by CVE-2018-14655?
Keycloak versions 3.4.3.Final, 4.0.0.Beta2, and 4.3.0.Final are affected by CVE-2018-14655.
How can I fix CVE-2018-14655?
To fix CVE-2018-14655, it is recommended to update Keycloak to a version that is not affected, such as a version newer than 4.3.0.Final.
Where can I find more information about CVE-2018-14655?
You can find more information about CVE-2018-14655 on the NIST NVD website and the Red Hat security advisories RHSA-2018:3592 and RHSA-2018:3593.
- collector/github-advisory-latest
- alias/GHSA-458h-wv48-fq75
- alias/CVE-2018-14655
- collector/nvd-index
- collector/github-advisory
- collector/nvd-cve
- agent/author
- agent/type
- agent/first-publish-date
- agent/softwarecombine
- collector/redhat-bugzilla
- source/Red Hat
- agent/references
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- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/severity
- agent/tags
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- agent/event
- agent/trending
- package-manager/maven
- vendor/redhat
- canonical/redhat keycloak
- version/redhat keycloak/3.4.3
- version/redhat keycloak/4.0.0-beta2
- version/redhat keycloak/4.3.0
- canonical/redhat single sign-on
- version/redhat single sign-on/7.2
- canonical/redhat linux
- version/redhat linux/7.0
- version/redhat linux/6.0