- Vulnerability/
- RHSA-2021:2064
RHSA-2021:2064: Moderate: Red Hat Single Sign-On 7.4.7 security update on RHEL 7
First published: Thu May 20 2021(Updated: )
Red Hat Single Sign-On 7.4 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications.<br>This release of Red Hat Single Sign-On 7.4.7 serves as a replacement for Red Hat Single Sign-On 7.4.6, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References.<br>Security Fix(es):<br><li> keycloak: Backchannel logout not working when Principal Type is set to Attribute Name for external SAML IDP (CVE-2021-3461)</li> <li> keycloak: Internationalized domain name (IDN) homograph attack to impersonate users (CVE-2021-3424)</li> For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/rh-sso7-keycloak | <9.0.13-1.redhat_00006.1.el7 | 9.0.13-1.redhat_00006.1.el7 |
| redhat/rh-sso7-keycloak-server | <9.0.13-1.redhat_00006.1.el7 | 9.0.13-1.redhat_00006.1.el7 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1933320
- https://bugzilla.redhat.com/show_bug.cgi?id=1941565
- https://access.redhat.com/security/updates/classification/#moderate
- https://access.redhat.com/documentation/en-us/red_hat_single_sign-on/7.4/html/release_notes/index
- https://access.redhat.com/errata/RHSA-2021:2064 (Advisory)
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