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CVE-2021-3424

Status Candidate

Overview

A flaw was found in keycloak as shipped in Red Hat Single Sign-On 7.4 where IDN homograph attacks are possible. A malicious user can register himself with a name already registered and trick admin to grant him extra privileges.

Related Files

Red Hat Security Advisory 2021-2070-01
Posted May 20, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-2070-01 - 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. 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. Issues addressed include an information leakage vulnerability.

tags | advisory, web
systems | linux, redhat
advisories | CVE-2021-21290, CVE-2021-21295, CVE-2021-3424, CVE-2021-3461
SHA-256 | 7578f5d5a1382ac369ceea4ea502ae58bc21dcff6d70b2118e08a915a5e53ffc
Red Hat Security Advisory 2021-2063-01
Posted May 20, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-2063-01 - 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. 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.

tags | advisory, web
systems | linux, redhat
advisories | CVE-2021-3424, CVE-2021-3461
SHA-256 | 2d94d628fff183b8bda7439b36a66bd0a88152b124667aef77772b30dd1123f6
Red Hat Security Advisory 2021-2064-01
Posted May 20, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-2064-01 - 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. 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.

tags | advisory, web
systems | linux, redhat
advisories | CVE-2021-3424, CVE-2021-3461
SHA-256 | ca330cd165ae9f65b71504ad056484a8e1c4b9cd91183154e930683371117aea
Red Hat Security Advisory 2021-2065-01
Posted May 20, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-2065-01 - 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. 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.

tags | advisory, web
systems | linux, redhat
advisories | CVE-2021-3424, CVE-2021-3461
SHA-256 | 509feb989748a2a2ede4a51dc864d3c3f34475ef5553bd818835f7aec1668774
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