RHEL 7 : Red Hat Single Sign-On 7.1 update on RHEL 7 (Moderate) (RHSA-2017:0873)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2017:0873 advisory. Red Hat Single Sign-On is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-o...

keycloak: infinite loop in session replacement leading to denial of service

keycloak before version 4.0.0.final is vulnerable to a infinite loop in session replacement. A Keycloak cluster with multiple nodes could mishandle an expired session replacement and lead to an infinite loop. A malicious authenticated user could use this flaw to achieve Denial of Service on the...

Important: Red Hat Security Advisory: Red Hat Single Sign-On 7.2.4 security update

A security update is now available for Red Hat Single Sign-On 7.2 from the Customer Portal. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

Cross-site Request Forgery (CSRF) Token Fixation

keycloak services are vulnerable to cross-site request forgery CSRF token fixation attacks. The attack exists because it does not use unique CSRF token.The KEYCLOAKSTATECHECKER cookie uses user-agent provided value for login and does not clear it at logout...

Red Hat keycloak infinite loop vulnerability

Red Hat keycloak is a suite of software from Red Hat, Inc. that provides authentication and management capabilities for modern applications and services. An infinite loop vulnerability exists in session replacement in Red Hat Keycloak versions prior to 4.0.0.final, which stems from the failure of...

Unauthorized Access

Keycloak is vulnerable to unauthorized access. It is possible because it is wrongly validating expired certificate as authentic one, allowing a malicious user to get the access...

Authentication flaw

It was found that SAML authentication in Keycloak 3.4.3.Final incorrectly authenticated expired certificates. A malicious user could use this to access unauthorized data or possibly conduct further attacks...

CVE-2018-10894

It was found that SAML authentication in Keycloak 3.4.3.Final incorrectly authenticated expired certificates. A malicious user could use this to access unauthorized data or possibly conduct further attacks...

CVE-2016-8609

It was found that the keycloak before 2.3.0 did not implement authentication flow correctly. An attacker could use this flaw to construct a phishing URL, from which he could hijack the user's session. This could lead to information disclosure, or permit further possible attacks...

Authentication flaw

It was found that the keycloak before 2.3.0 did not implement authentication flow correctly. An attacker could use this flaw to construct a phishing URL, from which he could hijack the user's session. This could lead to information disclosure, or permit further possible attacks...

CVE-2016-8609

It was found that the keycloak before 2.3.0 did not implement authentication flow correctly. An attacker could use this flaw to construct a phishing URL, from which he could hijack the user's session. This could lead to information disclosure, or permit further possible attacks...

CVE-2018-10894

It was found that SAML authentication in Keycloak 3.4.3.Final incorrectly authenticated expired certificates. A malicious user could use this to access unauthorized data or possibly conduct further attacks...

CVE-2016-8609

CVE-2016-8609 affects Keycloak before 2.3.0, where the authentication flow is not implemented correctly. An attacker could craft a phishing URL to hijack a user session, leading to information disclosure and potential further attacks. Public advisories in the connected set reiterate the issue and...

CVE-2018-10894

CVE-2018-10894 affects Keycloak with SAML authentication, where 3.4.3.Final improperly authenticated expired certificates. The consequence is potential unauthorized data access or further attacks as implied by the description. Red Hat advisories (RHSA-2018:3593/3592) list the fix in Red Hat Singl...

CVE-2018-10894

It was found that SAML authentication in Keycloak 3.4.3.Final incorrectly authenticated expired certificates. A malicious user could use this to access unauthorized data or possibly conduct further attacks...

CVE-2016-8609

It was found that the keycloak before 2.3.0 did not implement authentication flow correctly. An attacker could use this flaw to construct a phishing URL, from which he could hijack the user's session. This could lead to information disclosure, or permit further possible attacks...

CVE-2017-2646

It was found that when Keycloak before 2.5.5 receives a Logout request with a Extensions in the middle of the request, the SAMLSloRequestParser.parse method ends in a infinite loop. An attacker could use this flaw to conduct denial of service attacks...

CVE-2017-2646

It was found that when Keycloak before 2.5.5 receives a Logout request with a Extensions in the middle of the request, the SAMLSloRequestParser.parse method ends in a infinite loop. An attacker could use this flaw to conduct denial of service attacks...

Sql injection

It was found that when Keycloak before 2.5.5 receives a Logout request with a Extensions in the middle of the request, the SAMLSloRequestParser.parse method ends in a infinite loop. An attacker could use this flaw to conduct denial of service attacks...

CVE-2017-2646

Keycloak prior to 2.5.5 is affected by CVE-2017-2646. The vulnerability occurs when a Logout request contains an Extensions field in the middle of the request, causing SAMLSloRequestParser.parse() to enter an infinite loop and potentially enable denial-of-service. Affected component: keycloak-sam...