Redhat: >> Keycloak >> 3.4.3 Security Vulnerabilities
Keycloak up to version 6.0.0 allows the end user token (access or id token JWT) to be used as the session cookie for browser sessions for OIDC. As a result an attacker with access to service provider backend could hijack user’s browser session.
CVSS Score
3.8
EPSS Score
0.003
Published
2019-04-24
The SAML broker consumer endpoint in Keycloak before version 4.6.0.Final ignores expiration conditions on SAML assertions. An attacker can exploit this vulnerability to perform a replay attack.
CVSS Score
6.1
EPSS Score
0.003
Published
2018-11-30
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.
CVSS Score
4.6
EPSS Score
0.002
Published
2018-11-13
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.
CVSS Score
5.4
EPSS Score
0.001
Published
2018-08-01
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 server.
CVSS Score
4.4
EPSS Score
0.005
Published
2018-07-23
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