Redhat: >> Single Sign On >> 7.1 Security Vulnerabilities
Red Hat Keycloak before version 2.4.0 did not correctly check permissions when handling service account user deletion requests sent to the rest server. An attacker with service account authentication could use this flaw to bypass normal permissions and delete users in a separate realm.
CVSS Score
6.5
EPSS Score
0.005
Published
2018-03-12
Red Hat Keycloak before version 2.5.1 has an implementation of HMAC verification for JWS tokens that uses a method that runs in non-constant time, potentially leaving the application vulnerable to timing attacks.
CVSS Score
5.9
EPSS Score
0.006
Published
2018-03-12
It was found that Keycloak would accept a HOST header URL in the admin console and use it to determine web resource locations. An attacker could use this flaw against an authenticated user to attain reflected XSS via a malicious server.
CVSS Score
5.4
EPSS Score
0.007
Published
2017-10-26
It was found that the cookie used for CSRF prevention in Keycloak was not unique to each session. An attacker could use this flaw to gain access to an authenticated user session, leading to possible information disclosure or further attacks.
CVSS Score
7.5
EPSS Score
0.015
Published
2017-10-26